Black Tear Proof Tape Designed for use with ordinary construction vapor barrier to seal off work zones, hydroponic grow areas, this adhesive-backed zipper is perfect for creating a simple, resealable access doorway. It installs in minutes without special tools and will permanently bond to any clean plastic sheeting. The 84" long, heavy-duty, water proof #5 zipper is sewn to a 950-denier high-density polyethylene backing that has a permanent high-tack acrylic adhesive.