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MP Global MoistureBlock 6-mil Vapor Barrier Flooring Underlayment, 100 sq. ft. Roll is available to buy in increments of
MoistureBlock is an affordable, high quality moisture barrier for protecting floating wood floors from harmful moisture, especially over concrete subfloors. Available in 30" x 40' (100 sq ft) rolls.
MoistureBlock is a lower-density polyethylene film that provides protection for floating laminate and engineered wood floors against harmful moisture. This flooring underlayment eliminates the need to use large fold-out, low quality construction grade films on installations. MoistureBlock is recommended for use on floating wood floors with pre-attached padding, especially over concrete or any substrate where moisture is a concern.