Seal the Deal! 🔒 Simply clean the surface, peel, and stick for a hassle-free repair. Engineered to withstand extreme temperatures from -40℉ to 248℉. Strong viscosity ensures a permanent seal that lasts for decades. Perfect for sealing roofs, boats, RVs, and more—your go-to for all leaks! Reduces cooling costs and noise, making your space more comfortable. Waterproof High Temp Range Multi-Use The CHUANGSEED Butyl Waterproof Tape is a robust sealing solution measuring 10cm x 5m, designed for a wide range of applications including roofs, boats, and RVs. With a remarkable elongation rate of 1000% and a lifespan of up to 30 years, this tape is engineered for durability and high performance in extreme conditions.