1. Multi-functional and Versatile: House leaks, roof cracks, balcony leaks, water seepage, high humidity, camping, plumbing, basement, toilet, indoor work, etc. Water leak point repair tape * high environmental adaptability. Even though it adheres to most materials, it shows a strong adhesion strength. It has tensile deformation characteristics and is also characterized by sealing, waterproofing, insulation and flame retardancy. 2. Safety, High Durability: Butyl tape is made of butyl rubber, treated by special process, non-toxic, non-shrinking, anti-aging, safe and tasteless. It is very flexible, easy to cut, handle and install, it also reduces sound well, and also prevents sloshing, sealing, waterproofing, flame retardant and insulation. 3. Long Life and Easy Installation: Unlike other butyl putty tapes, our white seam tapes have a long service life and provide excellent sealing over a long period of time. Simply install, without gaps, peel off the peeling film, and then attach the butyl sealing tape where needed. 4. High Environmental Adaptability: It has a strong bond strength even when bonded to almost any material. It has tensile deformation characteristics and is also chara. Material: Aluminum Foil+Butyl Size: 5cm width * 5m length HOW TO USE: Make sure the surface clean and dry before application.Peel off the released film and apply the RV roof seal tape.Repeatedly press the butyl sealant until the tape is fully stuck with the surface.