FOSTER® 14-40 HVAC Butyl Flange Tape is a high-performance, self-fusing butyl rubber tape specifically designed for creating permanent, airtight and watertight seals on HVAC unit flanges, panel seams, and rooftop curbs. It remains flexible and provides excellent adhesion and weather resistance, ensuring long-term durability in harsh outdoor environments.
Color: Gray
Method: Tape
