Professional results that a DIYer can be proud of begins with 324A Premium Foil HVAC UL Listed Tape by Nashua. This foil tape is UL coded approved for sealing class 1 rigid (181 A-P) or class 1 flexible (181B-FX) duct joints and connections. With a heavy-duty foil backing that is printed for easy inspection and an aggressive acrylic adhesive， Nashua 324A is the ideal choice for heating， ventilation and air conditioning installations that require a code-approved product. Nashua Tape. Trusted by professionals. DIY approved. Count on Nashua to get the job done right.
High performance acrylic adhesive provides an aggressive bond in extreme temperatures
Performs in all-weather applications from -25 to 325°F
Aluminum foil backing provides UV， moisture， mold and mildew resistance
UL 181A-P and UL181B-FX Listed
Low VOC content
Can contribute toward satisfying EQ credit 4.1 (low emitting materials) under LEED
Comment