Our transparent invisible waterproof adhesive contains polymer copolymer emulsion, hydrophobic resin, additives. It can have high flexibility, waterproof barrier, barrier-free impermeability, high execution efficiency, good impermeability and so on. Its use method is very simple: 1. Remove dust and debris from cracks. 2. Put on gloves and apply tape to both sides of the crack. 3. Dip the brush in an appropriate amount of waterproofing agent and apply it to the crack; 4. When the glue dries, remove the tape. Strong adhesion, transparent and easy to stick, long-lasting effect, can withstand changes in temperature, humidity and other factors.