Scotch Foil Tape 3311 10A, 2.0 in x 10 yd (50.8 mm x 9,1 m). Specifically designed to help maintain duct work integrity and optimize HVAC performance. conformable tape with silicone treated liner that unwinds easily to minimize errors and wasted tape . It is flexible and easy to apply in tight spaces, making it the ideal tape for duct repairs. The soft aluminum foil also conforms to irregular surfaces and provides a reliable vapor barrier.

3M 19768, Utility Cloth Sheet 314D, 9 in x 11 in P180 J-weight, 7000000356
3M 19795, Utility Cloth Roll 314D, P400 J-weight, 1-1/2 in x 20 yd, 7100081717
3M 98235, Pro Strength Duct Tape 1210-A 1.88 in x 10 yd (48.0 mm x 9.14 m), 7000029903 
