3M™ 3380 Aluminum Foil Tape

3M™ Aluminum Foil Tape 3380 is a flexible, foil-backed tape engineered for cold weather performance while maintaining durability in high heat and humidity. Coated with a pressure-sensitive acrylic adhesive, it bonds quickly and securely to a wide range of surfaces, even in low-temperature environments. Classified to UL 723, this tape provides long-lasting protection against moisture, UV exposure, and environmental conditions, making it a dependable solution for HVAC systems, construction, and general maintenance in both residential and industrial settings.

Applications include: HVAC duct sealing, vapor barrier protection, insulation facing, patching metal surfaces, and light-duty EMI/RFI shielding.