Drylok recently released Clear Masonry Water-proofer as "an alternative to traditional pigmented waterproofing systems." Drylok's parent company—Scranton, Pennsylvania's United Gilsonite Laboratories—said in a statement that its product can be used on either new or existing "masonry block, precast, poured walls, interior and exterior, and decorative elements, such as split faced block, stone, brick and stucco."
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