Our duct tape is a 9.5 mil product with high tensile strength and a specially formulated pressure sensitive adhesive that is superior to competitively priced products. It tears and unwinds easily and conforms well to irregular surfaces. Also, Can-Do stocks high grade, contractor's grade, and economy priced duct tapes. These products are used for packaging, sealing ductwork, holding insulation materials in place, seaming carpet padding, dustproofing filter banks, and other general purposes such as repair, mending, or patching.