Stop leaks instantly with this premium high polymer butyl rubber waterproof tape! Perfect for residential and commercial roofs, sunrooms, color steel sheets, and windows. It features extreme high temperature resistance up to 120°C, low temperature resistance down to -40°C, and exceptional anti-aging durability for up to 30 years. Easy application: clean the gravel or dust around the gap, tear the bottom film, paste properly, and scrape to empty all the air. It provides a permanent shield.