BriskHeat's SpeedTrace Roof & Gutter De-Icing Kits are designed to prevent the formation of ice Dams on rooftops by using an electric self-regulating roof heat cable system. The roof heating ice dam heat cables melt away excessive ice and snow from the roof, gutters, and downspouts to ensure proper draining. Stop Roof and Gutter ice today, with BriskHeat! Select your configuration below of our SpeedTrace cable kit; power output: 5 W/ft (16 W/m) at 50°F (10°C)