【Practical and High Quality】: The Invisible Waterproof Sealant/Coating is water-based. Multiple overlapping coats form a permanent bond. The invisible waterproof glue forms a thin film that isolates air, water and moisture. Roof sealant, long-lasting waterproof, low temperature and heat resistant. Using the transparent repair leak waterproof glue can form a long-term protective film, helping to save time, money and labor 【Easy to Use Waterproof Sealant】: Before use, mix the Waterproof Sealant evenly. It can be applied by brushing, rolling, wiping, dipping or pouring. The liquid waterproof sealant adheres evenly, and its self-leveling formula can smoothly cover and penetrate small gaps and cracks, providing an effective sealing effect 【Wide Application】: Liquid Waterproof Sealant is perfect for indoor and outdoor use. Widely used in: flat roofs, pitched roofs, rooftops, exterior wall cracks, foundations, sheds, basements, metal, wood, concrete, gutters, skylights, chimneys, PVC pipe joints, windows, RVs, exterior wall pipes, sealing pipe leaks, walls, corners, toilet leaks, substrate joints, roofs, swimming pools, bathrooms, etc 【Liquid Waterproof Sealant Coverage】: Transparent Waterproof Coating covers approximately 14 square feet (1.3 square meters) per 35 ounces (1 kg). Apply 3-4 coats, the waterproof coating easily adheres to the surface, repairs holes, cracks, gaps, tears and leaks, and seals any cracked surface. Roof sealant waterproofing also forms a protective waterproof layer in nearby areas 【Invisible waterproofing agent cold and wet tips】: Long-term rainy and humid weather and falling temperatures will cause the waterproofing glue to take longer to cure. We recommend that you try to ensure that the weather is clear and the operating environment is relatively dry before and after applying the waterproofing glue. Liquid rubber sealant application temperature: 10?C/50?F or higher (including overnight temperature) Invisible Waterproof Sealant, Liquid Waterproof Agent Transparent Repairing Leak Waterproof Adhesive for Roof & Walls, Indoor & Outdoor Waterproof Coating