Divine enterprise Invisible Super Strong Glue Waterproof Adhesive seal cracks agent for cement Surface, Wall, Bathroom Repair Leakage Wall Anti leakage bathroom glue : Roof Wall Glue is our strongest, most durable construction adhesive that remains 100% solid after curing thanks to the unique high solid content adhesive technology. Ideal for most interior or exterior projects where long-term strength and durability are a must,works reliably on wood, laminate, drywall, concrete, brick, masonry, stone, marble, metal, stainless steel, fiberglass, and other substrates. This high-strength construction adhesive is waterproof and can be applied to wet and frozen surfaces both cold (down to 10F) and hot (120F) temperatures for landscaping and deck projects. Durable and long lasting ,won't develop air pockets after cure for better flexibility and strength. Easy To Use : The film is more uniform, more solid, and can be waterproof for a long time. The downstairs leakage marks correspond to the location of the upstairs, not necessarily the leakage point. Therefore, it is necessary to find the correct leak point to ensure that applying waterproof glue can achieve the waterproof effect. The product is used up within 30 minutes after opening, to avoid long exposure to the air and can not be used. Application area description : 30g can be used for 0.6 sqm. 100g can be used for 2 square meters. 300g can be used for 6 square meters. Choose your needs according to your dosage