Duck Rigid-Fiberglass-Duct Aluminum Foil Tape 2.5" x 50yd

HVAC Aluminum Foil Tape for Rigid Fiberglass Ducts is a two-mil (50-micron), heavy-duty, high-strength, aluminum foil backing coated with a specially formulated, pressure-sensitive acrylic adhesive system. This tape provides superior adhesion and conformance for use with fiberglass duct board systems. The performance and materials meet or exceed UL-181A-P standards for quality, performance and flame spread. This product also meets the UL181-FX flex duct standard.