• 100mm x 5m self-adhesive waterproof butyl tape, designed for professional repairs on roofs, RV awnings, doors, windows, boats, jet skis, canoes, outdoor equipment, motorhomes, PVC pipes and plumbing, sprinkler systems, walls, seams, vents, air ducts, and HVAC systems. • Made with pure butyl rubber and PET aluminum film enhanced with non-woven fabric and anti-aging layer, providing greater resistance to corrosion and aging. • Its 0.5 mm thickness and resistance to water, high temperatures, and UV rays ensure optimal sealing and long service life, without cracks or deformations. • Offers exceptional adhesion and flexibility, suitable for a wide variety of surfaces and weather conditions, including metal, tiles, shingles, aluminum, drywall, wood, fiberglass, brick, and concrete. • Working temperature from -40 ℃ to 80 ℃. • For a perfect seal, clean and dry the surface before applying, press firmly, and let it sit for 24 hours without moving or exposing to rain.