Vapour Barrier film is certified by the CGSB for use in controlling the diffusion of water vapour in building construction. It must satisfy the strict requirements of the standard, which is referenced in the National Building Code. Some of those requirements are listed below.
Vapour Barrier is suitable for use in a variety of applications in above-grade building construction, the interior of below grade building construction, ground cover, and numerous other applications. This is due in large part to the durability and quality that Layfield builds into it's CGSB products.