Internorm Windows Belfast

Internorm Windows, Belfast

We supply and install high-quality Internorm windows for homeowners and architects for their home improvement projects throughout Belfast, County Antrim, Lisburn, Ballymena, Carrickfergus, Larne, Newton Abbey and the surrounding areas. Use our online quoting generator for a bespoke price today.

We supply and install high-quality Internorm windows for homeowners and architects for their home improvement projects throughout Belfast, County Antrim, Lisburn, Ballymena, Carrickfergus, Larne, Newton Abbey and the surrounding areas. Use our online quoting generator for a bespoke price today.

triple glazed windows belfast

Triple Glazed Windows in Belfast, County Antrim

Our Internorm window range is available in an extensive selection of sizes and designs. Your new triple glazed windows will meet the property’s design specifications and add an instant sense of style and class to the project you are working on.

All Internorm windows offer innovative performance benefits such as high-quality burglary protection, exceptional thermal efficiency and noise reduction qualities. Once installed, your home will be brought with a classy aesthetic and 21st-century performance values.

Please find out more about our Internorm window range by using our online contact form or receive a free no-obligation quote via our online quoting generator.

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internorm uPVC windows belfast, County Antrim

Internorm uPVC Windows

Our uPVC windows by Internorm have become a popular choice for our homeowners and architects in Belfast. This passive house window style offers an easy way to modernise your property without the hassle of maintenance.

Each triple or double glazed uPVC window is manufactured using the highest quality window profile and the latest hardware features. This means your home will benefit from incredible security, performance and aesthetic appeal.

As standard, each of our Internorm uPVC windows is installed with I-tec glazing. This system uses a bonding of the double or triple glazed pane with the window sash. Therefore your new windows will offer your home excellent stability, thermal insulation, noise reduction and burglary prevention.

The Internorm range of uPVC windows is available in four distinct styles. These include Studio, Home Pure, Home Soft, and ambient. You can find out more about these profiles by heading to our uPVC windows page.

Request a Quote

Internorm uPVC Window Profiles

KF 310

uPVC

Homepure KF310 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,69

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Homesoft KF310 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,69

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Studio KF310 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,69

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

KF 320

uPVC

Homepure KF310 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,65

Internorm Sonic Icon

Sound Reduction (in dB)

35 - 45

Internorm Security Icon

Security

up to RC1N, RC2

KF 410

uPVC

Homepure KF410 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,62

Internorm Sonic Icon

Sound Reduction (in dB)

34 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Homesoft KF410 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,62

Internorm Sonic Icon

Sound Reduction (in dB)

34 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Studio KF410 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,62

Internorm Sonic Icon

Sound Reduction (in dB)

34 - 45

Internorm Security Icon

Security

up to RC1N, RC2

KF 520

uPVC

Homepure KF410 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,63

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 46

Internorm Security Icon

Security

up to RC3, RC2

KF 410 - uPVC Profile

The KF 410 has a complete flush transition from sash to frame, completing this window as one unit. Once the frame is rendered into the brickwork on three sides, only the unique narrow and square edged sash frame remains visible.

With low U-values, it’s a cost efficient window option with compliant accreditations. Secured By Design and Lifetime Homes accreditations make them an ideal option for any home. Intelligent Internorm technology is integrated into this KF 410 style window system.

I-tec innovations such as I-tec Glazing and I-tec Ventilation ensure optimum stability, thermal insulation and security. These windows are controlled at the touch of a button, enabling simple and stress free operation of your window via smartphone or tablet.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0.62

Internorm Sonic Icon

Sound Reduction (in dB)

34 - 45

Internorm Security Icon

Security

Up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast

    Dimensions (in mm)

  • Frame construction depth 90
  • View width frame/sash 113
  • View width flying mullion (2 sashes) 133
  • View width transom/mullion (2 sashes) 187

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KF 520 – uPVC Profile

KF 520 uPVC windows combine innovative design with advanced technology. This window meets the highest standards of burglary protection, with I-tec Secure and innovative locking systems.

Integrated flaps press on all sides into the frame interior when locking and thus ensure maximum burglary protection.

The sleek frame offers excellent thermal efficiency and sound reduction for maximum comfort. Optional built in ventilation can be added into the window frame with the I-tec Ventilation system. I-tec Glazing gives stability, thermal insulation, and security due to the all round bonding of the glass pane.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,63

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 46

Internorm Security Icon

Security

up to RC3, RC2

Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 90
  • View width frame/sash 85
  • View width flying mullion (2 sashes) 96
  • View width transom/mullion (2 sashes) 148

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KF 310 – uPVC Profile

The traditional and sophisticated KF 310 has a sleek appearance alongside reliable technology. This range of windows is characterised by thermal insulation and impressive sound reduction values.

With a round bonded glass pane, the KF 310 is available in a large selection of colours, glazing and handles. They can also make the ideal addition to the balcony and patio doors, with integrated Juliet balcony.

I-tec glazing ensures excellent stability. The glass pane is glued all around the frame, ensuring superior levels of security and thermal insulation.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,69

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 90
  • View width frame/sash 85
  • View width flying mullion (2 sashes) 96
  • View width transom/mullion (2 sashes) 148

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KF 320 – uPVC Profile

The innovative glass sash of the KF 320 gives the impression of fixed glazing, yet it is still an openable window. The narrow, square edged window frame highlights the minimal architecture of the window design.

This straight lined window profile has an appealingly consistent design. Externally, the opening sash is covered by the window frame. The narrow offset between the frame and the glass pane enhances the flush mount aesthetics The glass sash gives the impression of a fixed glazed unit, yet it is an operable window.

Three sided rendering of the frame achieves modern and almost frameless glass architecture. I-tec glazing ensures excellent stability, thermal insulation and security through surrounding bonding of the glass pane.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,65

Internorm Sonic Icon

Sound Reduction (in dB)

35 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 71
  • View width frame/sash 97
  • View width flying mullion (2 sashes) 100
  • View width transom/mullion (2 sashes) 154

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KF 310 – uPVC-Aluminium profile

The FK 310 is a slim window with a construction depth of 74 mm. The rounded edges of sash and frame match design is elegant and cosy.

The strong aluminium cladding on the outside can be designed in many colours. The 6 chamber frame profile ensures superior levels of thermal insulation. Three continuous gaskets protect you home from the wet whilst improving thermal insulation and sound reduction.

I-tec Glazing, the continuous all round bonding of the glass pane, makes this style of window even more stable and boosts burglary protection

 

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,69

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 71
  • View width frame/sash 97
  • View width flying mullion (2 sashes) 100
  • View width transom/mullion (2 sashes) 154

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KF 320 – uPVC-Aluminium profile

The innovative glass sash of the KF 320 gives the impression of fixed glazing, yet it is still an openable window. The narrow, square edged window frame highlights the minimal architecture of the window design.

This straight lined window profile has an appealingly consistent design. Externally, the opening sash is covered by the window frame. The narrow offset between the frame and the glass pane enhances the flush mount aesthetics The glass sash gives the impression of a fixed glazed unit, yet it is an operable window.

Three sided rendering of the frame achieves modern and almost frameless glass architecture. I-tec glazing ensures excellent stability, thermal insulation and security through surrounding bonding of the glass pane.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,65

Internorm Sonic Icon

Sound Reduction (in dB)

35 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast

  • Frame construction depth 71
  • View width frame/sash 97
  • View width flying mullion (2 sashes) 100
  • View width transom/mullion (2 sashes) 154

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KF 410 – uPVC-Aluminium profile

The KF 410 window offers sleek aesthetics with its 93mm construction depth and square edged frame design. This Passivhaus certified window demonstrates thermal insulation, with U-values as low as 0.62 W/m2k.

The KF 410 uPVC aluminium windows are entirely flush from sash to frame. Once the frame is rendered into the brickwork on three sides, only the unique narrow and square edged sash frame remains visible.

The KF 410 window is compliant with the top level accreditations of Secured by Design and Lifetime Homes, key “must have” attributes architects require. Internorm technology is integrated into this energy efficient window offering technological advances that make life easier.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,62

Internorm Sonic Icon

Sound Reduction (in dB)

34 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 90
  • View width frame/sash 113
  • View width flying mullion (2 sashes) 133
  • View width transom/mullion (2 sashes) 187

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets Quantity

  • Quantity 3
  • Colour Light grey

KF 520 – uPVC-Aluminium profile

KF 520 meets the highest demands for burglary protection, thanks to its state of the art locking technology. The sleek frame offers superior levels thermal efficiency and sound reduction for maximum homeowner comfort. This model is also available in the flush mount Studio design, for an ultra modern aesthetic.

The KF 520 uPVC aluminium windows feature a fully integrated locking system, which renders levering of the window impossible. The window sash is not visible externally due to its glass appearance and can optically not be distinguished from fixed glazing.

Optional built in ventilation can be added into the frame with the I-tec Ventilation system. I-tec Glazing ensures excellent stability, thermal insulation, and security due to the all round bonding of the glass pane.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,63

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 46

Internorm Security Icon

Security

up to RC3, RC2

Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 90
  • View width frame/sash 85
  • View width flying mullion (2 sashes) 96
  • View width transom/mullion (2 sashes) 148

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KV 350 – uPVC-Aluminium profile

The KV 350 range of uPVC aluminium windows comes with advanced sun protection technology. Designed with market leading integral blinds, these window systems offer sun and privacy protection. This technology is integrated directly between the glass panes, keeping it protected from wind, dirt and bad weather.

This composite window range conveniently integrates blinds in between the glass panes, for maintenance free protect. Choose between the Home Pure square edged profile and the Ambiente rounded edged traditional design.

All Internorm integrated blinds can be powered by a self sufficient photovoltaic panel. This means that no external power source is needed thanks to I-tec Shading. The blinds can be operated with a control panel, remote control, and the I-tec SmartWindow mobile application.  I-tec Glazing ensures excellent stability due to the all round bonding of the glass pane.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0.79

Internorm Sonic Icon

Sound Reduction (in dB)

38 – 44 average

Internorm Security Icon

Security

Secured by Design & PAS 24

Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 74
  • View width frame/sash 112
  • View width flying mullion (2 sashes) 130
  • View width transom/mullion (2 sashes) 181

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Black

KV 440 – uPVC-Aluminium profile

The KV 440 window features integrated blind and advanced Internorm technology. The technology of I-tec Glazing ensures optimum stability as well as superior levels of thermal insulation and sound reduction.

This window features quadruple protection with the sun and privacy protection integrated into the window. The blinds are fitted between panes, protecting them from dirt. They can still be easily accessed to clean, as they feature Internorm Sun and Insect Protection technologies

The energy sufficient I-tec shading doesn’t need an external power source due to the photovoltaic module and batteries. Integrated automatic functions such as day/night recognition and intelligent overheating protection can be integrated.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,64

Internorm Sonic Icon

Sound Reduction (in dB)

39 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 93
  • View width frame/sash 118
  • View width flying mullion (2 sashes) 144
  • View width transom/mullion (2 sashes) 198

    Opening versions

    Gaskets

  • Quantity 3
  • Colour Black

HF 310 – Timber-Aluminium Profile

The HF 310 blends flexibility with a superior double glazing performance. This window takes in the visual benefits of timber with the efficiency and weatherproof properties of modern aluminium. The three continuous gaskets prevent water from meeting the timber surface.

All around gluing of the glass pane ensures excellent stability and offers burglary protection. Three continuous gaskets and external weather resistant aluminium prevent water from entering. The timber elements of the window offer excellent thermal insulation values.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,62

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 46

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 93
  • View width frame/sash 118
  • View width flying mullion (2 sashes) 144
  • View width transom/mullion (2 sashes) 198

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Black

HF 410 – Timber-Aluminium Profile

The HF 410 is one of the most popular and widely requested window systems in our timber-aluminium range. Its versatility, customisation and overall performance levels make it ideal for any size, shape and era of property.

With an 85mm frame depth, you can enjoy the minimalistic aesthetics. All the while, this design enjoys fantastic thermal retention, high quality acoustic insulation and certified security standards.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,64

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 85
  • View width frame/sash 108
  • View width flying mullion (2 sashes) 123
  • View width transom/mullion (2 sashes) 173

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Outward opening doors

  • Quantity 3
  • Colour Black

HV 450 – Timber-Aluminium Profile

The HV 450 comes with Internorm’s innovative integral sun protection hardware as standard. All the while, retaining all the character, delivering eye catching aesthetics and versatility for homeowners.

The HV 450 offers quadruple protection with advanced sun and privacy protection, thermal insulation and sound reduction. The I-tec shading works completely energy self sufficient and offers a host of innovative solutions for homes.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0.62

Internorm Sonic Icon

Sound Reduction (in dB)

41 - 46

Internorm Security Icon

Security

Secured by Design & PAS 24

Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 85
  • View width frame/sash 108
  • View width flying mullion (2 sashes) 123
  • View width transom/mullion (2 sashes) 173

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Black

HF 400 – Timber-Aluminium Profile

The HF 400 is a timber aluminium window system that provides an all round performance without compromising on aesthetics.

This design of composite window has an attractive finish, superior levels of heat protection and multiple security properties. The HF 400 has a door leaf that is flat on both the inside and the outside, and an angular frame profile. The plate construction of the door leaf ensures thermal insulation to passive house standard.

Multipoint locking mechanism with a swing bolt is fitted as standard and maximum stability in the door leaf offers enhanced burglary protection. A wide range of door models with different surfaces, handles and glass cut outs offers the right door for every type of home.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0.70

Internorm Sonic Icon

Sound Reduction (in dB)

35 - 45

Internorm Security Icon

Security

Secured by Design & PAS 24

Internorm Windows Belfast

Internorm uPVC-Aluminium Windows

Our Internorm uPVC-aluminium windows use an innovative aluminium clad profile on the outside of the window to deliver a durable Internorm window design making them exceptionally easy to maintain.

uPVC-aluminium windows are much easier to care for than their uPVC alternatives and look great too. Once installed, there will be no need for you to paint, stain, or treat them as they will maintain their exceptional quality and appearance for a long time.

Better yet, the corner formation of these windows means they offer an elegant design that can bend and fit perfectly into any style of property in Belfast.

As each window uses a combination of uPVC and aluminium, your new Internorm windows will achieve an incredible thermal efficiency level that exceeds passive house standards. You can enjoy U-values of up to 0.64 W/m2K, helping you save money on your energy bills as you will be less reliant on your central heating.

Free Online Quote
upvc-aluminium windows belfast, county antrim

Internorm uPVC-Aluminium Profiles

KF 310

uPVC / Aluminium

Homepure KF310 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,69

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Homesoft KF310 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,69

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Studio KF310 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,69

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

KF 320

uPVC / Aluminium

Homepure KF310 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,65

Internorm Sonic Icon

Sound Reduction (in dB)

35 - 45

Internorm Security Icon

Security

up to RC1N, RC2

KF 410

uPVC / Aluminium

Homepure KF410 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,62

Internorm Sonic Icon

Sound Reduction (in dB)

34 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Homesoft KF410 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,62

Internorm Sonic Icon

Sound Reduction (in dB)

34 - 45

Internorm Security Icon

Security

up to RC1N, RC2

ambiente KF410 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,62

Internorm Sonic Icon

Sound Reduction (in dB)

34 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Studio KF410 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,62

Internorm Sonic Icon

Sound Reduction (in dB)

34 - 45

Internorm Security Icon

Security

up to RC1N, RC2

KF 520

uPVC / Aluminium

Studio KF520 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,63

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 46

Internorm Security Icon

Security

up to RC1N, RC2

KV 350

uPVC / Aluminium

Homesoft KV350 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,79

Internorm Sonic Icon

Sound Reduction (in dB)

38 - 44

Internorm Security Icon

Security

up to RC1N, RC2

Ambiente KV350 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,79

Internorm Sonic Icon

Sound Reduction (in dB)

38 - 44

Internorm Security Icon

Security

up to RC1N, RC2

Studio KF310 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,69

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

KV 440

uPVC / Aluminium

Homepure KV440 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,69

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Homesoft KV440 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,69

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Studio KV440 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,69

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

KF 410 - uPVC Profile

The KF 410 has a complete flush transition from sash to frame, completing this window as one unit. Once the frame is rendered into the brickwork on three sides, only the unique narrow and square edged sash frame remains visible.

With low U-values, it’s a cost efficient window option with compliant accreditations. Secured By Design and Lifetime Homes accreditations make them an ideal option for any home. Intelligent Internorm technology is integrated into this KF 410 style window system.

I-tec innovations such as I-tec Glazing and I-tec Ventilation ensure optimum stability, thermal insulation and security. These windows are controlled at the touch of a button, enabling simple and stress free operation of your window via smartphone or tablet.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0.62

Internorm Sonic Icon

Sound Reduction (in dB)

34 - 45

Internorm Security Icon

Security

Up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast

    Dimensions (in mm)

  • Frame construction depth 90
  • View width frame/sash 113
  • View width flying mullion (2 sashes) 133
  • View width transom/mullion (2 sashes) 187

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KF 520 – uPVC Profile

KF 520 uPVC windows combine innovative design with advanced technology. This window meets the highest standards of burglary protection, with I-tec Secure and innovative locking systems.

Integrated flaps press on all sides into the frame interior when locking and thus ensure maximum burglary protection.

The sleek frame offers excellent thermal efficiency and sound reduction for maximum comfort. Optional built in ventilation can be added into the window frame with the I-tec Ventilation system. I-tec Glazing gives stability, thermal insulation, and security due to the all round bonding of the glass pane.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,63

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 46

Internorm Security Icon

Security

up to RC3, RC2

Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 90
  • View width frame/sash 85
  • View width flying mullion (2 sashes) 96
  • View width transom/mullion (2 sashes) 148

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KF 310 – uPVC Profile

The traditional and sophisticated KF 310 has a sleek appearance alongside reliable technology. This range of windows is characterised by thermal insulation and impressive sound reduction values.

With a round bonded glass pane, the KF 310 is available in a large selection of colours, glazing and handles. They can also make the ideal addition to the balcony and patio doors, with integrated Juliet balcony.

I-tec glazing ensures excellent stability. The glass pane is glued all around the frame, ensuring superior levels of security and thermal insulation.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,69

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 90
  • View width frame/sash 85
  • View width flying mullion (2 sashes) 96
  • View width transom/mullion (2 sashes) 148

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KF 320 – uPVC Profile

The innovative glass sash of the KF 320 gives the impression of fixed glazing, yet it is still an openable window. The narrow, square edged window frame highlights the minimal architecture of the window design.

This straight lined window profile has an appealingly consistent design. Externally, the opening sash is covered by the window frame. The narrow offset between the frame and the glass pane enhances the flush mount aesthetics The glass sash gives the impression of a fixed glazed unit, yet it is an operable window.

Three sided rendering of the frame achieves modern and almost frameless glass architecture. I-tec glazing ensures excellent stability, thermal insulation and security through surrounding bonding of the glass pane.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,65

Internorm Sonic Icon

Sound Reduction (in dB)

35 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 71
  • View width frame/sash 97
  • View width flying mullion (2 sashes) 100
  • View width transom/mullion (2 sashes) 154

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KF 310 – uPVC-Aluminium profile

The FK 310 is a slim window with a construction depth of 74 mm. The rounded edges of sash and frame match design is elegant and cosy.

The strong aluminium cladding on the outside can be designed in many colours. The 6 chamber frame profile ensures superior levels of thermal insulation. Three continuous gaskets protect you home from the wet whilst improving thermal insulation and sound reduction.

I-tec Glazing, the continuous all round bonding of the glass pane, makes this style of window even more stable and boosts burglary protection

 

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,69

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 71
  • View width frame/sash 97
  • View width flying mullion (2 sashes) 100
  • View width transom/mullion (2 sashes) 154

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KF 320 – uPVC-Aluminium profile

The innovative glass sash of the KF 320 gives the impression of fixed glazing, yet it is still an openable window. The narrow, square edged window frame highlights the minimal architecture of the window design.

This straight lined window profile has an appealingly consistent design. Externally, the opening sash is covered by the window frame. The narrow offset between the frame and the glass pane enhances the flush mount aesthetics The glass sash gives the impression of a fixed glazed unit, yet it is an operable window.

Three sided rendering of the frame achieves modern and almost frameless glass architecture. I-tec glazing ensures excellent stability, thermal insulation and security through surrounding bonding of the glass pane.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,65

Internorm Sonic Icon

Sound Reduction (in dB)

35 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast

  • Frame construction depth 71
  • View width frame/sash 97
  • View width flying mullion (2 sashes) 100
  • View width transom/mullion (2 sashes) 154

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KF 410 – uPVC-Aluminium profile

The KF 410 window offers sleek aesthetics with its 93mm construction depth and square edged frame design. This Passivhaus certified window demonstrates thermal insulation, with U-values as low as 0.62 W/m2k.

The KF 410 uPVC aluminium windows are entirely flush from sash to frame. Once the frame is rendered into the brickwork on three sides, only the unique narrow and square edged sash frame remains visible.

The KF 410 window is compliant with the top level accreditations of Secured by Design and Lifetime Homes, key “must have” attributes architects require. Internorm technology is integrated into this energy efficient window offering technological advances that make life easier.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,62

Internorm Sonic Icon

Sound Reduction (in dB)

34 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 90
  • View width frame/sash 113
  • View width flying mullion (2 sashes) 133
  • View width transom/mullion (2 sashes) 187

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets Quantity

  • Quantity 3
  • Colour Light grey

KF 520 – uPVC-Aluminium profile

KF 520 meets the highest demands for burglary protection, thanks to its state of the art locking technology. The sleek frame offers superior levels thermal efficiency and sound reduction for maximum homeowner comfort. This model is also available in the flush mount Studio design, for an ultra modern aesthetic.

The KF 520 uPVC aluminium windows feature a fully integrated locking system, which renders levering of the window impossible. The window sash is not visible externally due to its glass appearance and can optically not be distinguished from fixed glazing.

Optional built in ventilation can be added into the frame with the I-tec Ventilation system. I-tec Glazing ensures excellent stability, thermal insulation, and security due to the all round bonding of the glass pane.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,63

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 46

Internorm Security Icon

Security

up to RC3, RC2

Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 90
  • View width frame/sash 85
  • View width flying mullion (2 sashes) 96
  • View width transom/mullion (2 sashes) 148

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KV 350 – uPVC-Aluminium profile

The KV 350 range of uPVC aluminium windows comes with advanced sun protection technology. Designed with market leading integral blinds, these window systems offer sun and privacy protection. This technology is integrated directly between the glass panes, keeping it protected from wind, dirt and bad weather.

This composite window range conveniently integrates blinds in between the glass panes, for maintenance free protect. Choose between the Home Pure square edged profile and the Ambiente rounded edged traditional design.

All Internorm integrated blinds can be powered by a self sufficient photovoltaic panel. This means that no external power source is needed thanks to I-tec Shading. The blinds can be operated with a control panel, remote control, and the I-tec SmartWindow mobile application.  I-tec Glazing ensures excellent stability due to the all round bonding of the glass pane.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0.79

Internorm Sonic Icon

Sound Reduction (in dB)

38 – 44 average

Internorm Security Icon

Security

Secured by Design & PAS 24

Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 74
  • View width frame/sash 112
  • View width flying mullion (2 sashes) 130
  • View width transom/mullion (2 sashes) 181

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Black

KV 440 – uPVC-Aluminium profile

The KV 440 window features integrated blind and advanced Internorm technology. The technology of I-tec Glazing ensures optimum stability as well as superior levels of thermal insulation and sound reduction.

This window features quadruple protection with the sun and privacy protection integrated into the window. The blinds are fitted between panes, protecting them from dirt. They can still be easily accessed to clean, as they feature Internorm Sun and Insect Protection technologies

The energy sufficient I-tec shading doesn’t need an external power source due to the photovoltaic module and batteries. Integrated automatic functions such as day/night recognition and intelligent overheating protection can be integrated.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,64

Internorm Sonic Icon

Sound Reduction (in dB)

39 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 93
  • View width frame/sash 118
  • View width flying mullion (2 sashes) 144
  • View width transom/mullion (2 sashes) 198

    Opening versions

    Gaskets

  • Quantity 3
  • Colour Black

HF 310 – Timber-Aluminium Profile

The HF 310 blends flexibility with a superior double glazing performance. This window takes in the visual benefits of timber with the efficiency and weatherproof properties of modern aluminium. The three continuous gaskets prevent water from meeting the timber surface.

All around gluing of the glass pane ensures excellent stability and offers burglary protection. Three continuous gaskets and external weather resistant aluminium prevent water from entering. The timber elements of the window offer excellent thermal insulation values.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,62

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 46

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 93
  • View width frame/sash 118
  • View width flying mullion (2 sashes) 144
  • View width transom/mullion (2 sashes) 198

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Black

HF 410 – Timber-Aluminium Profile

The HF 410 is one of the most popular and widely requested window systems in our timber-aluminium range. Its versatility, customisation and overall performance levels make it ideal for any size, shape and era of property.

With an 85mm frame depth, you can enjoy the minimalistic aesthetics. All the while, this design enjoys fantastic thermal retention, high quality acoustic insulation and certified security standards.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,64

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 85
  • View width frame/sash 108
  • View width flying mullion (2 sashes) 123
  • View width transom/mullion (2 sashes) 173

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Outward opening doors

  • Quantity 3
  • Colour Black

HV 450 – Timber-Aluminium Profile

The HV 450 comes with Internorm’s innovative integral sun protection hardware as standard. All the while, retaining all the character, delivering eye catching aesthetics and versatility for homeowners.

The HV 450 offers quadruple protection with advanced sun and privacy protection, thermal insulation and sound reduction. The I-tec shading works completely energy self sufficient and offers a host of innovative solutions for homes.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0.62

Internorm Sonic Icon

Sound Reduction (in dB)

41 - 46

Internorm Security Icon

Security

Secured by Design & PAS 24

Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 85
  • View width frame/sash 108
  • View width flying mullion (2 sashes) 123
  • View width transom/mullion (2 sashes) 173

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Black

HF 400 – Timber-Aluminium Profile

The HF 400 is a timber aluminium window system that provides an all round performance without compromising on aesthetics.

This design of composite window has an attractive finish, superior levels of heat protection and multiple security properties. The HF 400 has a door leaf that is flat on both the inside and the outside, and an angular frame profile. The plate construction of the door leaf ensures thermal insulation to passive house standard.

Multipoint locking mechanism with a swing bolt is fitted as standard and maximum stability in the door leaf offers enhanced burglary protection. A wide range of door models with different surfaces, handles and glass cut outs offers the right door for every type of home.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0.70

Internorm Sonic Icon

Sound Reduction (in dB)

35 - 45

Internorm Security Icon

Security

Secured by Design & PAS 24

Internorm Windows Belfast
Timber-aluminium Internorm window Belfast

Internorm Timber-Aluminium Windows

The final style in our modern Internorm window range is the timber-aluminium window.

This Internorm window style is unrivalled in how warm and cosey it will make your property in Belfast feel. Moreover, the combination of timber and aluminium used in this composite window makes them strong, stable and durable.

This triple glazed window style will help your property achieve high-performance values using an external aluminium clad profile. This will help to protect the timber core from weathering. The foam that is placed between these materials helps your home to stay thermally insulated all year round. You will never have to suffer from unpleasant cold draughts once your new Internorm windows are installed.

Contact Us Today

Internorm Timber-Aluminium Window Profiles

HF 310

Timber / Aluminium

Homepure HF310 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,62

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 46

Internorm Security Icon

Security

up to RC1N, RC2

Homesoft HF310 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,69

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Ambiente HF310 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,69

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Studio HF310 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,69

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

HF 400

Timber / Aluminium

Homepure HF400 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,70

Internorm Sonic Icon

Sound Reduction (in dB)

35 - 45

Internorm Security Icon

Security

up to RC1N, RC2

HF 410

Timber / Aluminium

Homepure HF410 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,64

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Homesoft HF410 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,64

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Ambiente HF410 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,64

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Studio HF410 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,64

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

HV 450

Timber / Aluminium

Homepure HV450 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,62

Internorm Sonic Icon

Sound Reduction (in dB)

41 - 46

Internorm Security Icon

Security

up to RC1N, RC2

Homesoft HV450 Internorm Profile
Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,62

Internorm Sonic Icon

Sound Reduction (in dB)

41 - 46

Internorm Security Icon

Security

up to RC1N, RC2

KF 410 - uPVC Profile

The KF 410 has a complete flush transition from sash to frame, completing this window as one unit. Once the frame is rendered into the brickwork on three sides, only the unique narrow and square edged sash frame remains visible.

With low U-values, it’s a cost efficient window option with compliant accreditations. Secured By Design and Lifetime Homes accreditations make them an ideal option for any home. Intelligent Internorm technology is integrated into this KF 410 style window system.

I-tec innovations such as I-tec Glazing and I-tec Ventilation ensure optimum stability, thermal insulation and security. These windows are controlled at the touch of a button, enabling simple and stress free operation of your window via smartphone or tablet.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0.62

Internorm Sonic Icon

Sound Reduction (in dB)

34 - 45

Internorm Security Icon

Security

Up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast

    Dimensions (in mm)

  • Frame construction depth 90
  • View width frame/sash 113
  • View width flying mullion (2 sashes) 133
  • View width transom/mullion (2 sashes) 187

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KF 520 – uPVC Profile

KF 520 uPVC windows combine innovative design with advanced technology. This window meets the highest standards of burglary protection, with I-tec Secure and innovative locking systems.

Integrated flaps press on all sides into the frame interior when locking and thus ensure maximum burglary protection.

The sleek frame offers excellent thermal efficiency and sound reduction for maximum comfort. Optional built in ventilation can be added into the window frame with the I-tec Ventilation system. I-tec Glazing gives stability, thermal insulation, and security due to the all round bonding of the glass pane.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,63

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 46

Internorm Security Icon

Security

up to RC3, RC2

Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 90
  • View width frame/sash 85
  • View width flying mullion (2 sashes) 96
  • View width transom/mullion (2 sashes) 148

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KF 310 – uPVC Profile

The traditional and sophisticated KF 310 has a sleek appearance alongside reliable technology. This range of windows is characterised by thermal insulation and impressive sound reduction values.

With a round bonded glass pane, the KF 310 is available in a large selection of colours, glazing and handles. They can also make the ideal addition to the balcony and patio doors, with integrated Juliet balcony.

I-tec glazing ensures excellent stability. The glass pane is glued all around the frame, ensuring superior levels of security and thermal insulation.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,69

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 90
  • View width frame/sash 85
  • View width flying mullion (2 sashes) 96
  • View width transom/mullion (2 sashes) 148

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KF 320 – uPVC Profile

The innovative glass sash of the KF 320 gives the impression of fixed glazing, yet it is still an openable window. The narrow, square edged window frame highlights the minimal architecture of the window design.

This straight lined window profile has an appealingly consistent design. Externally, the opening sash is covered by the window frame. The narrow offset between the frame and the glass pane enhances the flush mount aesthetics The glass sash gives the impression of a fixed glazed unit, yet it is an operable window.

Three sided rendering of the frame achieves modern and almost frameless glass architecture. I-tec glazing ensures excellent stability, thermal insulation and security through surrounding bonding of the glass pane.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,65

Internorm Sonic Icon

Sound Reduction (in dB)

35 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 71
  • View width frame/sash 97
  • View width flying mullion (2 sashes) 100
  • View width transom/mullion (2 sashes) 154

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KF 310 – uPVC-Aluminium profile

The FK 310 is a slim window with a construction depth of 74 mm. The rounded edges of sash and frame match design is elegant and cosy.

The strong aluminium cladding on the outside can be designed in many colours. The 6 chamber frame profile ensures superior levels of thermal insulation. Three continuous gaskets protect you home from the wet whilst improving thermal insulation and sound reduction.

I-tec Glazing, the continuous all round bonding of the glass pane, makes this style of window even more stable and boosts burglary protection

 

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,69

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 71
  • View width frame/sash 97
  • View width flying mullion (2 sashes) 100
  • View width transom/mullion (2 sashes) 154

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KF 320 – uPVC-Aluminium profile

The innovative glass sash of the KF 320 gives the impression of fixed glazing, yet it is still an openable window. The narrow, square edged window frame highlights the minimal architecture of the window design.

This straight lined window profile has an appealingly consistent design. Externally, the opening sash is covered by the window frame. The narrow offset between the frame and the glass pane enhances the flush mount aesthetics The glass sash gives the impression of a fixed glazed unit, yet it is an operable window.

Three sided rendering of the frame achieves modern and almost frameless glass architecture. I-tec glazing ensures excellent stability, thermal insulation and security through surrounding bonding of the glass pane.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,65

Internorm Sonic Icon

Sound Reduction (in dB)

35 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast

  • Frame construction depth 71
  • View width frame/sash 97
  • View width flying mullion (2 sashes) 100
  • View width transom/mullion (2 sashes) 154

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KF 410 – uPVC-Aluminium profile

The KF 410 window offers sleek aesthetics with its 93mm construction depth and square edged frame design. This Passivhaus certified window demonstrates thermal insulation, with U-values as low as 0.62 W/m2k.

The KF 410 uPVC aluminium windows are entirely flush from sash to frame. Once the frame is rendered into the brickwork on three sides, only the unique narrow and square edged sash frame remains visible.

The KF 410 window is compliant with the top level accreditations of Secured by Design and Lifetime Homes, key “must have” attributes architects require. Internorm technology is integrated into this energy efficient window offering technological advances that make life easier.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,62

Internorm Sonic Icon

Sound Reduction (in dB)

34 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 90
  • View width frame/sash 113
  • View width flying mullion (2 sashes) 133
  • View width transom/mullion (2 sashes) 187

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets Quantity

  • Quantity 3
  • Colour Light grey

KF 520 – uPVC-Aluminium profile

KF 520 meets the highest demands for burglary protection, thanks to its state of the art locking technology. The sleek frame offers superior levels thermal efficiency and sound reduction for maximum homeowner comfort. This model is also available in the flush mount Studio design, for an ultra modern aesthetic.

The KF 520 uPVC aluminium windows feature a fully integrated locking system, which renders levering of the window impossible. The window sash is not visible externally due to its glass appearance and can optically not be distinguished from fixed glazing.

Optional built in ventilation can be added into the frame with the I-tec Ventilation system. I-tec Glazing ensures excellent stability, thermal insulation, and security due to the all round bonding of the glass pane.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,63

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 46

Internorm Security Icon

Security

up to RC3, RC2

Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 90
  • View width frame/sash 85
  • View width flying mullion (2 sashes) 96
  • View width transom/mullion (2 sashes) 148

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Light grey

KV 350 – uPVC-Aluminium profile

The KV 350 range of uPVC aluminium windows comes with advanced sun protection technology. Designed with market leading integral blinds, these window systems offer sun and privacy protection. This technology is integrated directly between the glass panes, keeping it protected from wind, dirt and bad weather.

This composite window range conveniently integrates blinds in between the glass panes, for maintenance free protect. Choose between the Home Pure square edged profile and the Ambiente rounded edged traditional design.

All Internorm integrated blinds can be powered by a self sufficient photovoltaic panel. This means that no external power source is needed thanks to I-tec Shading. The blinds can be operated with a control panel, remote control, and the I-tec SmartWindow mobile application.  I-tec Glazing ensures excellent stability due to the all round bonding of the glass pane.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0.79

Internorm Sonic Icon

Sound Reduction (in dB)

38 – 44 average

Internorm Security Icon

Security

Secured by Design & PAS 24

Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 74
  • View width frame/sash 112
  • View width flying mullion (2 sashes) 130
  • View width transom/mullion (2 sashes) 181

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Black

KV 440 – uPVC-Aluminium profile

The KV 440 window features integrated blind and advanced Internorm technology. The technology of I-tec Glazing ensures optimum stability as well as superior levels of thermal insulation and sound reduction.

This window features quadruple protection with the sun and privacy protection integrated into the window. The blinds are fitted between panes, protecting them from dirt. They can still be easily accessed to clean, as they feature Internorm Sun and Insect Protection technologies

The energy sufficient I-tec shading doesn’t need an external power source due to the photovoltaic module and batteries. Integrated automatic functions such as day/night recognition and intelligent overheating protection can be integrated.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,64

Internorm Sonic Icon

Sound Reduction (in dB)

39 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 93
  • View width frame/sash 118
  • View width flying mullion (2 sashes) 144
  • View width transom/mullion (2 sashes) 198

    Opening versions

    Gaskets

  • Quantity 3
  • Colour Black

HF 310 – Timber-Aluminium Profile

The HF 310 blends flexibility with a superior double glazing performance. This window takes in the visual benefits of timber with the efficiency and weatherproof properties of modern aluminium. The three continuous gaskets prevent water from meeting the timber surface.

All around gluing of the glass pane ensures excellent stability and offers burglary protection. Three continuous gaskets and external weather resistant aluminium prevent water from entering. The timber elements of the window offer excellent thermal insulation values.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,62

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 46

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 93
  • View width frame/sash 118
  • View width flying mullion (2 sashes) 144
  • View width transom/mullion (2 sashes) 198

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Black

HF 410 – Timber-Aluminium Profile

The HF 410 is one of the most popular and widely requested window systems in our timber-aluminium range. Its versatility, customisation and overall performance levels make it ideal for any size, shape and era of property.

With an 85mm frame depth, you can enjoy the minimalistic aesthetics. All the while, this design enjoys fantastic thermal retention, high quality acoustic insulation and certified security standards.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0,64

Internorm Sonic Icon

Sound Reduction (in dB)

33 - 45

Internorm Security Icon

Security

up to RC1N, RC2

Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 85
  • View width frame/sash 108
  • View width flying mullion (2 sashes) 123
  • View width transom/mullion (2 sashes) 173

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Outward opening doors

  • Quantity 3
  • Colour Black

HV 450 – Timber-Aluminium Profile

The HV 450 comes with Internorm’s innovative integral sun protection hardware as standard. All the while, retaining all the character, delivering eye catching aesthetics and versatility for homeowners.

The HV 450 offers quadruple protection with advanced sun and privacy protection, thermal insulation and sound reduction. The I-tec shading works completely energy self sufficient and offers a host of innovative solutions for homes.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0.62

Internorm Sonic Icon

Sound Reduction (in dB)

41 - 46

Internorm Security Icon

Security

Secured by Design & PAS 24

Internorm Windows Belfast
Internorm Windows Belfast

    Dimension (in mm)

  • Frame construction depth 85
  • View width frame/sash 108
  • View width flying mullion (2 sashes) 123
  • View width transom/mullion (2 sashes) 173

    Opening versions

  • Fixed
  • Turn and turn/tilt
  • Tilt
  • Sliding window
  • Lockable doors
  • Sliding doors
  • Doors with threshold
  • Outward opening doors

    Gaskets

  • Quantity 3
  • Colour Black

HF 400 – Timber-Aluminium Profile

The HF 400 is a timber aluminium window system that provides an all round performance without compromising on aesthetics.

This design of composite window has an attractive finish, superior levels of heat protection and multiple security properties. The HF 400 has a door leaf that is flat on both the inside and the outside, and an angular frame profile. The plate construction of the door leaf ensures thermal insulation to passive house standard.

Multipoint locking mechanism with a swing bolt is fitted as standard and maximum stability in the door leaf offers enhanced burglary protection. A wide range of door models with different surfaces, handles and glass cut outs offers the right door for every type of home.

Internorm Temperature Icon

Thermal Insulation (in W/m²K)

Uw up to 0.70

Internorm Sonic Icon

Sound Reduction (in dB)

35 - 45

Internorm Security Icon

Security

Secured by Design & PAS 24

Internorm Windows Belfast

Expert Team of Installers

Throughout many years of experience supplying and installing Internorm windows, Feneco Systems has become a first-class solution for Internorm Windows in Belfast and County Antrim.

Our team of professionals is dedicated to providing our customers with the best tripled glazed window installations. We will take time to listen to your questions and provide you with the advice you need to result in the best installation for your property.

Through our dedication to our homeowners and architects, we have gained a reputation as the go-to installers for Internorm windows in Belfast and County Antrim.

Get in Touch
passive house windows belfast

Internorm Window Prices Online, Belfast

If you are looking for an industry-leading window solution for your property in Belfast, County Antrim, our Internorm window range is the perfect choice for you. Get in touch with our team via our online contact form, and one of our professionals will be in touch to answer your enquiry shortly after that. Alternatively, if you know the Internorm window style you are looking for, please feel free to use our online quoting system. This way, you can receive a free no-obligation quote for a triple glazed Internorm window of your choice. We look forward to hearing from you soon.

Online Quote