Nashua Duct Tape 12 Mil Thick 2"x60 Yard 2 Pack 12 mil waterproof & durable duct tape Aggressive adhesive for a wide range of temperatures and surfaces High quality polyethylene coated cloth tape Adheres aggressively to many different types of surfaces Applications: Heating, gaffa tape, air conditioning, ventilating and refrigeration applications, maintenance tape in a variety of manufacturing environments, broad range of applications in the construction industry, bonding, protecting, holding, repairing, and patching.