4inch Vapour Barrier is to protect the lights. Resists water vapor caused by pressure changes.
Vapour barriers can help control moisture in areas such as basements, ceilings, crawl spaces, floors and walls
4inch Vapour Barrier for Led Lighting Product Features
1: Resists water vapor caused by pressure changes.
2: Can help control moisture in areas such as basements, ceilings, crawl spaces, floors and walls
3: Rated max. 90 degrees celsius, polyethylene material
