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Velux BDX Insulation Collar
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 3 Working Days

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Building regulations relating to insulation and air-tightness of window installations are becoming more stringent.  VELUX have developed a range of installation products to help make it quick and easy for you to be compliant.

The BDX Insulation Collar is suitable EDL / EDP / EDZ and EDW flashing kits and comes complete with BFX Underfelt Collar

  • Inusulates around the Roof Window frame, reducing heat loss and eliminating cold bridges. 
  • Makes insulating and installing the window a simple process.
  • Comes with Underfelt Collar (BFX).
  • Made to all standard window sizes.
  • Click fittings ensure fast and accurate assembly.  
Fitting Service

Products listed as NEXT WORKING DAY DELIVERY must be ordered before 1.00pm in order for them to be despatched the same day. Orders received after 1.00pm will be despatched the following working day.

Please dont forget to buy the blinds, click here to go to blinds section.

Need any further advice? Call us now on 0870 604 0404

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