ipg offers a full range of cloth duct tapes to satisfy even the most demanding requirements and industry standards. ipg duct tapes are made of a polyethylene (PE) outer layer providing waterproof protection, PET cloth middle layer adding strength and tearability and an engineered rubber adhesive layer providing superior holding power. From utility grade to HVAC, all Intertape brand tapes are manufactured with high grade raw materials and held to the highest quality standards.