Description
This Velux vapour barrier prevents warm air from entering your roof space. This creates an air tight seal preventing condensation build up. It’s easy to install.
Also the Velux vapour barrier forms an air tight seal preventing heat loss.
Technical details
- Material: polyethylene
- Material thickness: 0.15 mm
- SD value (water vapour diffusion resistance): 40 m
- Tape: 60 mm
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