|Superior quality, multi-purpose acrylic latex caulk plus silicone. Highly flexible and durable. Excellent adhesion. Interior/exterior use. Paintable. Water clean-up. 35-Year Durability Guarantee. Exceeds ASTM Specification C 834. Premium quality. Moisture and mildew resistant for caulking around window or doorframes and siding corner joints. Provides excellent adhesion to glass, ceramic, wood, metal, brick, stone and more.