MasterSeal 581 Thoroseal Pool Sealers

Thoroseal waterproofs anything of block, brick, concrete, or stone, including swimming pools and basement walls. A cement based sealer that works above or below grade. Keeps water out while allowing surface to breathe. Coverage: Approximately 2 lbs. per square yard or 270 sq. ft. per 60 lb. container, depending on surface conditions.