Feature Highlights: 1. Aluminum Surface Film: Features a small-grid aluminum foil layer that resists wear, ideal for outdoor waterproofing. It offers high strength, scratch resistance, aging resistance, and provides reflective heat insulation. 2. Strong Adhesive: Made from polymer butyl rubber for powerful adhesion. It stays flexible in cold weather without becoming brittle, and won’t soften or flow in high heat—peel-resistant and long-lasting. 3. High Temperature & Corrosion Resistance: Built with a thickened metal-grid aluminum base, it withstands extreme temperatures and resists corrosion, ensuring durability in tough conditions. 4. Easy to Apply: Just peel off the backing film and press into place. It adheres quickly for fast, leak-proof sealing—no special tools needed. 5. Wide Range of Uses: Perfect for waterproofing roof cracks, sunrooms, metal roofing, pipes, and sealing gaps in various surfaces. Product Details: This aluminum foil butyl tape provides a reliable, self-adhesive solution for sealing and waterproofing. Its reinforced aluminum film and strong rubber adhesive create a durable, flexible barrier against water, heat, and wear. Easy to install and designed to hold up in outdoor or high-temperature environments, it’s a practical choice for DIY repairs and professional sealing projects. Specifications: - Item Type: Butyl Tape - Material: Butyl Rubber - Gross Weight: 390g / 13.8oz - Length: Approx. 5m / 196.9in - Quantity: 1 Roll