Nashua Heavy Duty Tarp Tape is a black polyethylene film tape used for sealing and seaming of heavy-weight poly tarps. It has a rubber-based adhesive suitable for 6 to 8 months of outdoor exposure (it is designed for extended outdoor exposure). It is UV resistant and has a tough polyethylene backing. Nashua Tarp Tape has the tensile strength of duct tape without the irregular adhesive surface. It is highly conformable with smooth adhesive to provide superior contact to difficult surfaces.