3M Linered Aluminum Foil Tape 3380 Silver, 72 mm x 45 m (Pack of 1) Combines superior quick stick with excellent low temperature performance Specifically designed for heating and cooling duct work Use for sealing foil-faced foam sheathing boards, reflective insulation materials, duct wraps and residential insulation batts Heat and light reflective tape protects while enhancing lighting efficiency Ideal for general purpose foil tape applications