Aluminum Foil Tape, 2.5" x 50 yd, Silver

This aluminum foil tape measures 2.5 inches in width and 50 yards in length, with a thickness of 4.0 mil. It features a silver finish and is designed for sealing and patching applications. The tape is suitable for use on hot and cold air ducts, fiberglass duct boards, insulation, and metal repairs. It provides a reliable barrier for sealing leaks and securing insulation in various environments.