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Installation Products

Installation Products

Installation Products are crucial agents of ensuring energy-efficiency and durability. VELUX offer a range of flashing and installation products to aid a simple and safe installation. Installation products offer a variety of benefits, from weather protection to draft reduction.

Window installation products that we stock include the velux window vapour barrier, the velux underfelt collar, the velux insulation collar, the velux frame fixing kit for roof material amongst others.

The Velux window vapour barrier prevents warm air from entering your roof space. This creates an air-tight seal preventing condensation build up and preventing heat loss. The Velux window vapour barrier is easy to install and is made of polyethylene.

The Velux underfelt collar ensures a fast connection between the Velux Roof window and the roofing felt/membrane. It helps to protect against drafts and wind driven rain and snow around the window installation. It comes as one piece which makes for easy fitting, especially around the window corners. The transverse drainage gutter included also prevents any water ingress around the roof opening caused by missing or broken slates or tiles above the window. The velux underfelt collar is made of polypropylene and galvanised steel drainage gutter.

The Velux insulation collar reduces heat loss by eliminating thermal bridges between the window and your roof structure, it also comes with Velux underfelt collar. The Velux insulation collar sits between the roof structure and the window frame and insulates the gap between the two which reduces heat loss. Click fittings ensure fast and accurate assembly.

The Velux frame fixing kit for roof material is the perfect way to get a tidy finish and is made out of steel.

If you would like additional information regarding our range of window installation products do not hesitate to get in touch with us.

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  1. Alukap-XR 60mm Wall Bar 3.0m with Rafter Gasket and End Cap - All Colours
    Alukap-XR 60mm Wall Bar 3.0m with Rafter Gasket and End Cap - All Colours
    £119.28
  2. Alukap-XR Hip Bar 3m 55mm SL Fit with Rafter Gasket and End Cap
    Alukap-XR Hip Bar 3m 55mm SL Fit with Rafter Gasket and End Cap
    £171.06
  3. Corrapol-BT Wall Top Flashing Range
    Corrapol-BT Wall Top Flashing Range
    £44.34
  4. Corrapol Rock n Lock Wall Flashing - Full Range
    Corrapol Rock n Lock Wall Flashing - Full Range
    £35.46
  5. Image for VELUX BDX UK08 2000F insulation collar for recessed installation 134x140cm
    VELUX BDX UK08 2000F insulation collar for recessed installation 134x140cm
    £88.52
  6. Image for VELUX BDX FK04 2000 insulation collar - 66x98cm
    VELUX BDX FK04 2000 Insulation Collar - 66x98cm
    £40.79
  7. Image for Velux Window Vapour Barrier BBX CK01 55 x 70cm
    Velux Window Vapour Barrier BBX CK01 55 x 70cm
    £26.86
  8. Image for Velux Underfelt Collar BFX 1000 CK01 55 x 70cm
    Velux Underfelt Collar BFX 1000 CK01 55 x 70cm
    £25.86
  9. Image for Velux Insulation Collar BDX 2000 CK01 55 x 70cm
    Velux Insulation Collar BDX 2000 CK01 55 x 70cm
    £37.80
  10. Image for Velux Insulation Collar BDX 2000 PK08 94 x 140cm
    Velux Insulation Collar BDX 2000 SK10
    £54.71
  11. Image for Velux Insulation Collar BDX 2000 PK04 94 x 98cm
    Velux Insulation Collar BDX 2000 PK04 94 x 98cm
    £45.76
  12. Image for VELUX BBX SK08 0000 vapour barrier - 114x140cm
    VELUX BBX SK08 0000 Vapour Barrier - 114 x140cm
    £36.80
  13. Image for VELUX BDX SK08 2000 insulation collar - 114x140cm
    VELUX BDX SK08 2000 insulation collar - 114x140cm
    £51.72
  14. Image for VELUX BFX SK08 1000 underfelt collar - 114x140cm
    VELUX BFX SK08 1000 underfelt collar - 114x140cm
    £35.81
  15. Image for Velux Window Vapour Barrier BBX CK02 55 x 78cm
    Velux Window Vapour Barrier BBX CK02 55 x 78cm
    £27.85
  16. Image for Velux Window Vapour Barrier BBX CK04 55 x 98cm
    Velux Window Vapour Barrier BBX CK04 55 x 98cm
    £28.85
  17. Image for Velux Window Vapour Barrier BBX CK06 55 x 118cm
    Velux Window Vapour Barrier BBX CK06 55 x 118cm
    £29.84
  18. Image for Velux Window Vapour Barrier BBX MK04 78 x 98cm
    Velux Window Vapour Barrier BBX MK04 78 x 98cm
    £30.84
  19. Image for Velux Window Vapour Barrier BBX FK06 66 x 118cm
    Velux Window Vapour Barrier BBX FK06 66 x 118cm
    £30.84
  20. Image for Velux Window Vapour Barrier BBX MK06 78 x 118cm
    Velux Window Vapour Barrier BBX MK06 78 x 118cm
    £31.84
  21. Image for Velux Window Vapour Barrier BBX MK08 78 x 140cm
    Velux Window Vapour Barrier BBX MK08 78 x 140cm
    £33.82
  22. Image for Velux Window Vapour Barrier BBX UK04 134 x 98cm
    Velux Window Vapour Barrier BBX UK04 134 x 98cm
    £35.81
  23. Image for Velux Window Vapour Barrier BBX PK08 94 x 140cm
    Velux Window Vapour Barrier BBX PK08 94 x 140cm
    £34.81
  24. Image for Velux Window Vapour Barrier BBX SK06 114 x 118cm
    Velux Window Vapour Barrier BBX SK06 114 x 118cm
    £35.81
  25. Image for Velux Window Vapour Barrier BBX PK10 94 x 160cm
    Velux Window Vapour Barrier BBX PK10 94 x 160cm
    £36.80
  26. Image for Velux Window Vapour Barrier BBX UK08 134 x 140cm
    Velux Window Vapour Barrier BBX UK08 134 x 140cm
    £37.82
  27. Image for Velux Underfelt Collar BFX1000 CK02 55 x 78cm
    Velux Underfelt Collar BFX1000 CK02 55 x 78cm
    £26.86
  28. Image for Velux Underfelt Collar BFX1000 CK04 55x98cm
    Velux Underfelt Collar BFX1000 CK04 55x98cm
    £27.85
  29. Image for Velux Underfelt Collar BFX1000 CK06 55 x 118cm
    Velux Underfelt Collar BFX1000 CK06 55 x 118cm
    £28.85
  30. Image for Velux Underfelt Collar BFX1000 MK04 78 x 98cm
    Velux Underfelt Collar BFX1000 MK04 78 x 98cm
    £29.84
  31. Image for Velux Underfelt Collar BFX1000 FK06 66 x 118cm
    Velux Underfelt Collar BFX1000 FK06 66 x 118cm
    £29.84
  32. Image for Velux Underfelt Collar BFX1000 MK06 78 x 118cm
    Velux Underfelt Collar BFX1000 MK06 78 x 118cm
    £31.84
  33. Image for Velux Underfelt Collar BFX1000 MK08 78 x 140cm
    Velux Underfelt Collar BFX1000 MK08 78 x 140cm
    £32.82
  34. Image for Velux Underfelt Collar BFX1000 UK04 134 x 98cm
    Velux Underfelt Collar BFX1000 UK04 134 x 98cm
    £34.81
  35. Image for Velux Underfelt Collar BFX1000 PK08 94 x 140cm
    Velux Underfelt Collar BFX1000 PK08 94 x 140cm
    £33.82
  36. Image for Velux Underfelt Collar BFX1000 SK06 114 x 118cm
    Velux Underfelt Collar BFX1000 SK06 114 x 118cm
    £34.81
  37. Image for Velux Underfelt Collar BFX1000 PK10 94 x 160cm
    Velux Underfelt Collar BFX1000 PK10 94 x 160cm
    £35.81
  38. Image for Velux Underfelt Collar BFX1000 UK08 134 x 140cm
    Velux Underfelt Collar BFX1000 UK08 134 x 140cm
    £36.80
  39. Image for Velux Insulation Collar BDX 2000 CK02 55 x 78cm
    Velux Insulation Collar BDX 2000 CK02 55 x 78cm
    £38.80
  40. Image for Velux Insulation Collar BDX 2000 CK04 55 x 98cm
    Velux Insulation Collar BDX 2000 CK04 55 x 98cm
    £39.79
  41. Image for Velux Insulation Collar BDX 2000 CK06 55 x 118cm
    Velux Insulation Collar BDX 2000 CK06 55 x 118cm
    £41.77
  42. Image for Velux Insulation Collar BDX 2000 MK04 78 x 98cm
    Velux Insulation Collar BDX 2000 MK04 78 x 98cm
    £43.76
  43. Image for Velux Insulation Collar BDX 2000 FK06 66 x 118cm
    Velux Insulation Collar BDX 2000 FK06 66 x 118cm
    £43.76
  44. Image for Velux Insulation Collar BDX 2000 MK06 78 x 118cm
    Velux Insulation Collar BDX 2000 MK06 78 x 118cm
    £45.76
  45. Image for Velux Insulation Collar BDX 2000 MK08 78 x 140cm
    Velux Insulation Collar BDX 2000 MK08 78 x 140cm
    £47.75
  46. Image for Velux Insulation Collar BDX 2000 UK04 134 x 98cm
    Velux Insulation Collar BDX 2000 UK04 134 x 98cm
    £49.74
  47. Image for Velux Insulation Collar BDX 2000 PK08 94 x 140cm
    Velux Insulation Collar BDX 2000 PK08 94 x 140cm
    £49.74
  48. Image for Velux Insulation Collar BDX 2000 SK06 114 x 118cm
    Velux Insulation Collar BDX 2000 SK06 114 x 118cm
    £49.74
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