VELUX BDX insulation frame and underfelt collar

£29.99
£35.99 (inc. VAT)

VELUX insulation frame and underfelt collar
  • Insulates around the roof window frame, reducing heat loss and eliminating cold bridges
  • Makes insulating and installing the roof window a simpler process
  • Supplied with BFX underfelt collar and transverse drainage gutter
  • Click fittings ensure fast and accurate assembly

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