Self-regulating Technology: This 140FT self-regulating heating cable for roof and gutter automatically adjust heat output to ambient temperatures, reducing energy costs effectively. No need to worry about overheating or freezing! Max self-regulating temperature: 150 °F/65℃. Rapid Heating for Enhanced Protection: Our roof heating cable provides high power output—5W/ft at 10°C and 8W/ft at 0°C—reaching 85°F in just 5 minutes to effectively prevent freezing. Built with durable construction and IP68 waterproof rating, this roof heat tape is engineered for safe, long-lasting use in the harsh winter conditions. Convenient & Smooth Installation: The pre-assembled heat tape for roofs is easy to install, including spiral wrapping, with options for spiral wrapping, cross-wrapping, or straight-line placement. It is compatible with a wide range of roofing materials, including metal, rubber, wood, asphalt, clay, synthetic, and composite. Beat the Winter: Treat your pipes and roof right and stand up to the harshest winters. Our self-regulating pipe heating cable with 6FT power cord is designed to prevent ice dams from forming on roofs, downspouts, and in gutters. Protect your roof from damage and leaks. and keep the water flowing in the gutters and downspouts continuously. Test Before Installation: Uncoil the cable, plug it in, and then put the pipe heat tape into an ice bucket for a few minutes. You will normally be able to feel a slight warmth on the heating cable in a few minutes. Then, you can turn it off.