Below-Grade Gas Retarders

Find and specify below-grade gas retarders from top manufacturers with NBS Source. Browse 1 products that are ready to use on your projects. Classification 07 26 23.

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Stego Wrap Vapor Barrier

Verified 7 months ago

Stego Industries

Stego Wrap Vapor Barrier is made with our proven trade secret blend of prime virgin resins and additives. Stego Wrap 15-MIL Vapor Barrier is an ASTM E1745 Class A Vapor Barrier (Below 0.01 perms).

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