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Old VELUX codes compared to new codes

VELUX is probably the most well known brand for roof windows and skylights here in Ireland. In 2021, Velux introduced a new coding system for their products, which replaced the previous system. The new codes provide more information about the product and make it easier for customers to choose the right window for their needs.

Many people who are replacing their roof windows see these old Velux codes and need to know what the corresponding new code is – so that is where we are here to help!

Old Velux Codes

The old Velux codes consisted of a combination of letters and numbers that provided limited information about the product. The code typically included information about the type of window, the size, and the glazing options. However, the code did not provide any information about the energy performance or other features of the window.

old velux codes

Old velux codes

In the above image you can see the current new model sizes in larger font – e.g. SK06. Above that you can see the previous incarnations of the model name for that size. Old VELUX codes are easy enough to find on the information panel or stamp on each window. You will probably need to open the window up to see old VELUX codes.

You can measure the window too and call us on 0818 888 000 and we will help identify the right size for you.

New Velux Codes

The new Velux codes are more comprehensive and provide a lot more information about the product compared to old VELUX codes. The code consists of a combination of letters and numbers and is divided into four sections. The first section of the code provides information about the type of window, the second section provides information about the size, and the third section provides information about the glazing options. The fourth section provides information about the energy performance and other features of the window.

Type of Window

The first section of the new code provides information about the type of window. The new coding system uses two letters to indicate the type of window. For example, the letters “GG” indicate a roof window with a manual opening mechanism, while the letters “GT” indicate a roof window with a top-hung opening mechanism. Old Velux codes will probably not have that information included.

Size

The second section of the new code provides information about the size of the window. The new coding system uses four digits to indicate the size of the window in millimeters. For example, the code “134×98” indicates a window that is 1340mm wide and 980mm high.

Glazing Options

The third section of the new code provides information about the glazing options. The new coding system uses a single letter to indicate the type of glazing. For example, the letter “P” indicates a window with laminated safety glass, while the letter “T” indicates a window with toughened safety glass. Old Velux codes tended not to have this information.

Energy Performance and Other Features

The fourth section of the new code provides information about the energy performance and other features of the window. The new coding system uses a combination of letters and numbers to indicate the energy performance of the window. For example, the letters “70” indicate that the window has a U-value of 1.0 W/m²K and a solar heat gain coefficient (SHGC) of 0.70. The code may also include letters to indicate other features of the window, such as the type of flashing kit required. Old Velux codes did not have this information included in it.

The new Velux codes are a significant improvement over the old Velux codes. They provide more information about the product, making it easier for customers to choose the right window for their needs. The new codes provide information about the type of window, the size, the glazing options, and the energy performance of the window. If you are in the market for a Velux window, be sure to familiarize yourself with the new coding system to make an informed decision.

  • VELUX GGL MK04 2070 Manual Centre Pivot Roof Window 78x98cm

    Manual Centre Pivot White VELUX Window – GGL MK04 2070

    Key features:

    • Convenient top opening
    • Easy to rotate to clean outer glass
    • Integrated ventilation behind the control bar
    • Can be used on pitched roofs between 15-90 degrees
    • This model is 78cm x 98cm
    393.82 (Inc. VAT)
  • VELUX Cabrio Roof Balcony

    3,251.006,982.00 (Inc. VAT)
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    VELUX Cabrio Roof Balcony

    Cabrio Roof Balcony from VELUX

    Key features:

    • Innovative balcony opens in seconds to give your home more space, daylight and fresh air
    • Transform your home and welcome in the outdoors
    • Consists of a top hung roof window and a bottom section that unfolds into a glazed balcony with elegant side bannister railings
    • Top element opens 45 degrees giving you panoramic views and extra headroom
    • Energy efficient triple glazing as standard
    • Range of sizes available
    3,251.006,982.00 (Inc. VAT)
  • VELUX GGL FK08 2070 Manual Centre Pivot Roof Window 66x140cm

    Manual Centre Pivot White VELUX Window – GGL FK08 2070

    Key features:

    • Convenient top opening
    • Easy to rotate to clean outer glass
    • Integrated ventilation behind the control bar
    • Can be used on pitched roofs between 15-90 degrees
    • This model is 66cm x 140cm
    516.00 (Inc. VAT)
  • VELUX GGL UK08 2070 Manual Centre Pivot Roof Window 134x140cm

    Manual Centre Pivot White VELUX Window – GGL UK08 2070

    Key features:

    • Convenient top opening
    • Easy to rotate to clean outer glass
    • Integrated ventilation behind the control bar
    • Can be used on pitched roofs between 15-90 degrees
    • This model is 134cm x 140cm
    772.00 (Inc. VAT)
  • VELUX Low Pitch Roof Window

    675.001,050.00 (Inc. VAT)
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    VELUX Low Pitch Roof Window

    VELUX Roof Windows for Low Pitched Roofs

    Key features:

    • Roof Window solution for low pitch roofs – as far as 10 degrees
    • Trusted brand
    • Ideal for extensions with roof pitch between 10 – 20 degrees
    • Gives the same level of daylight and fresh air as standard VELUX Roof Windows
    • This includes the window, flashing and underfelt collar
    675.001,050.00 (Inc. VAT)
  • VELUX Manual Top Hung Roof Windows

    606.001,774.00 (Inc. VAT)
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    VELUX Manual Top Hung Roof Windows

    VELUX Outward Opening Top Hung Roof Windows

    Key features:

    • Opens up the room with an uninterrupted view
    • Rotates 180 degrees for easy cleaning of the outer glass
    • Ventilation filter protects against dust and insects
    • Can be used on pitched roofs between 15-55 degrees
    606.001,774.00 (Inc. VAT)
  • VELUX Dome Flat Roof Window

    415.002,678.00 (Inc. VAT)
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    VELUX Dome Flat Roof Window

    VELUX Dome with no glazing flat roof window

    Key features:

    • High quality flat roof window for uninhabited rooms or buildings
    • No glazing on this model
    • Dome can be fixed in place or vented with the electric base unit
    • Perfect for the likes of sheds, warehouses, garages and industrial buildings etc
    415.002,678.00 (Inc. VAT)
  • Sale

    VELUX Dormer Solution Kit

    3,433.003,779.00 (Inc. VAT)
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    VELUX Dormer Solution Kit

    Dormer Solution from VELUX

    Key features:

    • Easy way to open up your attic and let natural light come flowing in
    • This kit includes everything you need for installation including the flashing (windows sold separately)
    • Transforms any room or space and creates a sense of openness
    • Can be combined with the VELUX Integra remote control option if access is an issue
    3,433.003,779.00 (Inc. VAT)
  • VELUX GGL CK02 2070 Manual Centre Pivot Roof Window 55x78cm

    Manual Centre Pivot White VELUX Window – GGL CK02 2070

    Key features:

    • Convenient top opening
    • Easy to rotate to clean outer glass
    • Integrated ventilation behind the control bar
    • Can be used on pitched roofs between 15-90 degrees
    • This model is 55cm x 78cm
    337.60 (Inc. VAT)
  • VELUX Integra Centre Pivot Electric Roof Windows

    Electric and Solar powered VELUX Integra windows

    Key features:

    • VELUX Centre Pivot windows – electric and solar powered models
    • Ideal for out of reach areas
    • Operated remotely via a wireless wall switch
    • Fully integrated motor which runs almost without a sound
    825.001,648.00 (Inc. VAT)
  • VELUX GGL CK04 2070 Manual Centre Pivot Roof Window 55x98cm

    Manual Centre Pivot White VELUX Window – GGL CK04 2070

    Key features:

    • Convenient top opening
    • Easy to rotate to clean outer glass
    • Integrated ventilation behind the control bar
    • Can be used on pitched roofs between 15-90 degrees
    • This model is 55cm x 98cm
    369.55 (Inc. VAT)
  • VELUX GGL MK08 2070 Manual Centre Pivot Roof Window 78x140cm

    Manual Centre Pivot White VELUX Window – GGL MK08 2070

    Key features:

    • Convenient top opening
    • Easy to rotate to clean outer glass
    • Integrated ventilation behind the control bar
    • Can be used on pitched roofs between 15-90 degrees
    • This model is 78cm x 140cm
    484.04 (Inc. VAT)
  • VELUX EDW MK08 0000 Flashing 78x140cm

    Profiled Roofing Material EDW MK08 Velux Flashing

    Key features:

    • For profile roofing material up to 120mm
    • Suitable for interlocking slate tiles, thatch and profiled sheeting
    • For roof pitches between 15-90 degrees
    89.26 (Inc. VAT)
  • VELUX Flashing Kit

    115.00200.00 (Inc. VAT)
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    VELUX Flashing Kit

    New VELUX flashing kit with BFX Underfelt Collar & BDX roof and insulation collar (Pro+ 2000)

    Key features:

    • High quality VELUX flashing kits for slate or tile roofs
    • New generation of flashing kit that includes the BFX Underfelt Collar for watertight seal between the roof window and the roof
    • Also includes the BDX roof and insulation collar for reduction of heat loss and eliminating cold bridges
    • Range of sizes available and options for various roof types
    • Suitable for roof pitch between 15 and 90 degrees
    • Dark grey colour as standard
    115.00200.00 (Inc. VAT)
  • VELUX EDW MK04 0000 Flashing 78x98cm

    Profiled Roofing Material EDW MK04 Velux Flashing

    Key features:

    • For profile roofing material up to 120mm
    • Suitable for interlocking slate tiles, thatch and profiled sheeting
    • For roof pitches between 15-90 degrees
    101.97 (Inc. VAT)
  • VELUX EDL PK10 0000 Flashing 94x160cm

    VELUX EDL PK10 0000 Flashing for Slate up to 8mm thick

    Key features:

    • For slate up to 8mm thick
    • Not for interlocking slate (Use EDW model for this)
    • For roof pitches between 15-90 degrees
    103.37 (Inc. VAT)
  • VELUX Coupled Slate Flashing with 100mm gap – EKL PK06 0021E 94x188cm

    EKL PK06 0021E VELUX Coupled Slate Flashing

    Key features:

    • For installing two VELUX windows in same room beside each other
    • 100mm gap
    • For slate that is up to 8mm thick
    • 94cm x 118cm
    196.34 (Inc. VAT)
  • VELUX EDL PK04 0000 Flashing 94x98cm

    VELUX EDL PK04 0000 Flashing for Slate up to 8mm thick

    Key features:

    • For slate up to 8mm thick
    • Not for interlocking slate (Use EDW model for this)
    • For roof pitches between 15-90 degrees
    85.95 (Inc. VAT)
  • VELUX EDL MK06 0000 Flashing 78x118cm

    VELUX EDL MK06 0000 Flashing for Slate up to 8mm thick

    Key features:

    • For slate up to 8mm thick
    • Not for interlocking slate (Use EDW model for this)
    • For roof pitches between 15-90 degrees
    91.61 (Inc. VAT)
  • VELUX EDL MK08 0000 Flashing 78x140cm

    VELUX EDL MK08 0000 Flashing for Slate up to 8mm thick

    Key features:

    • For slate up to 8mm thick
    • Not for interlocking slate (Use EDW model for this)
    • For roof pitches between 15-90 degrees
    104.00 (Inc. VAT)
  • VELUX EDL CK02 0000 Flashing 55x78cm

    VELUX EDL CK02 0000 Flashing for Slate up to 8mm thick

    Key features:

    • For slate up to 8mm thick
    • Not for interlocking slate (Use EDW model for this)
    • For roof pitches between 15-90 degrees
    76.49 (Inc. VAT)
  • VELUX EDL FK06 0000 Flashing 66x118cm

    VELUX EDL FK06 0000 Flashing for Slate up to 8mm thick

    Key features:

    • For slate up to 8mm thick
    • Not for interlocking slate (Use EDW model for this)
    • For roof pitches between 15-90 degrees
    87.02 (Inc. VAT)
  • Out of Stock
    Add to cart

    VELUX EDW MK06 0000 Flashing 78x118cm

    Profiled Roofing Material EDW MK06 Velux Flashing

    Key features:

    • For profile roofing material up to 120mm
    • Suitable for interlocking slate tiles, thatch and profiled sheeting
    • For roof pitches between 15-90 degrees
    95.00 (Inc. VAT)
  • VELUX Coupled Slate Flashing with 100mm gap – EKL MK08 0021E 78x140cm

    EKL MK08 0021E VELUX Coupled Slate Flashing

    Key features:

    • For installing two VELUX windows in same room beside each other
    • 100mm gap
    • For slate that is up to 8mm thick
    • 78cm x 140cm
    321.68 (Inc. VAT)

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