IPG Aluminum Foil Tape UL723 1.88in x 10yd

Aluminum foil tape weather stripping interior and exterior 3 mm - size 2 inch x 10 yards Aluminum foil backing coated with a strong, durable adhesive. For sealing heating and cooling air ducts, especially the new duct board systems. Flame retardant tape helps prevent loss as well as blocks odors and moisture.