Self-regulating roof and gutter de-icing heating cable. Provides drain paths for the roofs made from standard roofing materials, including shake, shingle, rubber, tar, wood, metal, and plastic. Gutters made from standard materials, including metal, plastic, and wood. Downspouts made from standard materials, including metal and plastic. Available with a fluoropolymer outer jacket that provides maximum abrasion, chemical, and mechanical resistance.