Aquabar "B" is an extremely effective moisture vapor retarder for use under wood flooring. It is a cleaner and easier handling product than roofing felt and poly film. Aquabar "B" is a premium alternative to to Red Rosin paper, as it provides a moisture barrier unlike rosin paper. Aquabar "B" slows moisture migration and is a superior vapor retarder. It is not a waterproof membrane.
500sq.ft. per Roll (36 in. wide x 167 ft. long roll)