Our flexible waterproof sealants contain epoxy resins, polymethyl methacrylate, and hardeners. It can quickly and effectively repair wall cracks and provide a long-lasting seal repair that will make your walls look like new walls for years to come. Its use method is very simple: first turn on the nozzle switch, clean the cracked surface with a brush, fill the crack with sealant, and then smooth the surface until it dries. After use, the damaged wall can be repaired, and the adhesion is strong after repair, and the wall is firmly combined to make the wall durable as new.