RM115 Mastic Duct Sealant Foil Backed Tape, 3 in. x 100 ft., 16 Rolls/Case

ROLL MASTIC 115 is a UL 181 B-FX Listed pressure sensitive tape with a 2 mils. printed foil backing, and 15 mils. of butyl rubber adhesive with a plastic release liner. It is formulated to be repositionable for easier application. Meets all code requirements for sealing HVAC duct systems. - UL181B-FX Listed Use indoors and outdoors Repositionable for easier application Excellent adhesion/seals on contact Excellent resistance to cold, heat, water, and sunlight - EXCELLENT MOLD/ MILDEW PROTECTION