1x Super Waterproof Tape Butyl Leak Roof Pipe Tape Hot Sealant Adhesive W5 A8B1
Material:Aluminum Foil+Butyl. 1 Butyl aluminum foil tape. Roof waterproofing to find the leak point, responsible for no effect. Repair wall cracks and use the roof for waterproofing. The tape is too narrow to affect the waterproof effect.