Scotch 3311-50A Foil Tape, 50 yd L, 2 in W, 3.6 mil Thick, Rubber Adhesive, Silver

3m scotch silver foil tape 3311, 2 in x 50 yd scotch foil tape 3311 silver, an aluminum alloy foil with a pressure-sensitive adhesive and paper liner. reliable sealing and securing for hvac applications. ideal for duct sealing and mro repair applications. meets ul 723 standard.