W.R. Meadows
Under slab vapor barrier protection provides a true vapor seal against costly moisture problems. The SEALTIGHT system meets and exceeds the maximum slab moisture transfer rate of 30 lbs./1,000-sq. ft./24 hr., required by the flooring industry. Components include SEALTIGHT Premolded Membrane Vapor Seal with Plasmatic Core (applied directly on-grade) offered in 4 ft. by 8 ft. sheets; Detail Strips (to seal joints for all adjoining membrane sheets); Catalytic Bonding Asphalt; and DB Drainage System in rolls.
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PB Topical Ref
