Features: Penetrating waterproofing agent can penetrate joints, cracks and leaks, seal any cracked surfaces and form a waterproof protective coating in the adjacent area Instructions: 30g waterproof agent sealant is for about 0.6 square meters area. 100g waterproof agent sealant is for about 2 square meters area. 300g waterproof agent sealant is for about 6 square meters area Applications: Widely used to penetrate cracks, windowsills, toilets, walls, exterior walls, and also suitable leaks in walls, ceilings, roofs, etc Performance: Home roof wall bathroom waterproof coating is made of invisible paste sealant, with brush, very portable leak trapping repair tools for Operation: Easy to use, just brush the desired with glue for fast and effective sealing