True vapor barriers should have a permeance rating ... When heavy equipment such as ready mix trucks, laser screeds or concrete buggies will be operating on the vapor retarder, use a 15 mil ...
It is made of a combination of prime virgin resins and additives and can be used in contact with and directly below a concrete slab. Stego's vapor barrier has an almost zero Water Vapor ...
If you're installing concrete slabs in a basement or another area of your home, you'll also need to install a vapor barrier to add protection. While not strictly required, you also need to add a ...