We are the only heat cable seller on Amazon who is a simple phone call away. Radiant Solutions Company is a direct-to-consumer manufacturer with over 25 years in the business of pipe freeze prevention. Our glass cloth tape is approved for the application of heat cable and heat tape on a variety of pipe types. Using duct tape, electrical tape, masking tape, etc. is NOT approved for heat cable installations. This handy 16 foot roll is a perfect amount for standard pipe freeze protection projects.