Frameguard Tape prevents wearing caused by the film rubbing against the frame of the structure as well as preventing heat transfer from steel frames. It has an adhesive side for attaching to the frame, and an opposing felt side to protect the film from the structure. 24mm x 15m (Also available in 30mm x 15m.) Frameguard Tape must be used with all plastic greenhouse covers supplied by ATS, otherwise, warranties will be voided.