AP Products Bottom Board Repair Tape is permanent and waterproof. It's made with woven polyethylene fabric and solid-coated with adhesive. It can be applied in below freezing conditions. Designed for use in repairing or seaming bottom boards or tarps. 4" x 180'. Woven polyethylene fabric & solid-coated with adhesive Can be applied in below freezing conditions 4"" x 180' | AP Products Bottom Board Repair Tape, 4" x 180'