Viper VaporCheck 12 ft x 200 ft - All Thicknesses Thickness:10 mils lightweight design ensures precision and

lightweight design ensures precision and portability

When paired with the VELUX No Leak Skylight (models FCM

13-2009 regulations and is comprised of 1 inch polyester webbing and two (2) 3600 ANSI tested steel snap hooks

convection

large roof window

Viper VaporCheck 12 ft x 200 ft - All Thicknesses Thickness:10 mils lightweight design ensures precision andViper VaporCheck is a cross woven reinforced under slab vapor barrier specifically designed to prevent moisture migration through concrete slabs on grade. The high density cross woven reinforcing fibers are fused together using molten polyethylene, creating a high strength product with low water vapor permeability. Viper VaporCheck is ideal for demanding applications requiring the use of a heavy duty vapor barrier and exceeds all ASTM E 1745 Class A