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The UGL 27613 Drylok Gray Latex Masonry Waterproofer is a water-based coating designed to stop water infiltration through masonry surfaces. It resists hydrostatic pressure up to 10 psi, equivalent to a column of water 22 feet high. The low-odor, VOC/VOS-compliant latex formula cleans up with soap and water and applies with a standard brush or roller. Coverage runs approximately 75 to 125 square feet per gallon depending on surface porosity. The product carries a 10-year manufacturer warranty and is alkali-resistant, making it suitable for use on slightly damp below-grade surfaces, though dry surfaces produce the best results.
This waterproofer is formulated for interior and exterior applications, both above and below grade. Typical uses include basement walls, foundations, retaining walls, cinder block and concrete block walls, stucco, brick, swimming pools, bird baths, and fish ponds. It is well suited for waterproofing contractors, masonry professionals, and experienced property maintenance technicians working on residential or light commercial structures where moisture intrusion is a concern.
Designed for use on interior and exterior masonry surfaces including concrete block, cinder block, stucco, brick, poured concrete, retaining walls, basements, foundations, swimming pools, bird baths, and fish ponds, both above and below grade.
Surface preparation is critical before application. Chalky efflorescence deposits must be removed by etching the surface prior to coating. A licensed or experienced waterproofing or masonry contractor should assess below-grade applications to confirm drainage and structural conditions. Apply per label directions, and allow adequate dry time before backfilling or submerging the coated surface.
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