Velux Vapour Barrier BBX 0000

VELUX Steam barrier BBX 0000 - provides high-quality steam insulation for window sills and prevents condensation from entering the roof structure. This product is single-piece and fits the size of the window, making it easy and quick to install in its intended place. Its installation on the window frame is fast and simple, creating a tight seal that protects against condensation.

Product features:

• Material: polyethylene
• Material thickness: 0.15 mm
• SD value (water vapor diffusion resistance): 40 m