Description
Viper CS 6.5-mil is a high performance crawl space vapor barrier designed to prevent moisture migration from the soil into the crawl space. Viper CS 6.5-mil helps guard against mold, mildew, allergens, fungus, radon gas, methane gas, heat loss due to damp insulation, wood rot and overall degradation of the crawl space.
Dimensions: 4’ x 200’