Viper II Underslab Vapor Barrier Class A - Full Range Size:10 mils x 14 ft x 210 ft (Grey) The Fakro LSF fire rated

The Fakro LSF fire rated ladder gives you the ability to access the attic and even blocks a blaze if one breaks out

It has everything needed for installation and eight pre-cut panels

The color of the adhesive will change from white to clear when the adhesive is fully dry

5 In 250 2 1/2 In - 3 In 250 5

Rubber coated handle

Viper II Underslab Vapor Barrier Class A - Full Range Size:10 mils x 14 ft x 210 ft (Grey) The Fakro LSF fire ratedViper II is a unique high strength polyolefinbased under slab vapor barrier specifically designed for preventing moisture migration through concrete slabson grade. Viper II reduces water vapor emission transfer and moisture migration from entering the building envelope on commercial, industrial and residential applications. Viper II controls condensation, mold, mildew, degradation and prevents costly flooring failures and damage to moisture sensitive