3M Foil Tape 3311 is a 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 11411, Roloc Disc 361F, 50 YF-weight, TR, 1 in, Die R100N, 7000045095
3M 62615, Scotch-Weld Threadlocker TL90, Green, 10 mL Bottle, 7100039234, 10/case 
