Aluminum Metal Repair Tape is constructed from a 1.5-mil dead soft aluminum foil backing coated on one side with a permanent rubber-based adhesive system. The adhesive has been engineered to provide a strong bond to a variety of surfaces. This product combines excellent sealing and protective benefits of metallic material with the ease of handling and application of pressure-sensitive tapes. This product has also been tested in accordance with UL 723 for flame spread and smoke development.