3M Duct Tape 3340 – Aluminum Foil Tape for Durable Sealing

This 3M Aluminum Foil Tape is a top choice for industrial and HVAC applications where reliable vapor sealing is critical. Designed to withstand extreme temperatures, it ensures long-lasting protection against leaks and environmental changes.

With a 2.5\" width and highly visible silver foil backing, this tape is ideal for sealing ducts, insulation boards, and mechanical connections. Its 4.0 mil thickness adds to its strength, making it an effective solution for tough conditions.

The powerful pressure-sensitive adhesive guarantees a strong bond, while the poly-coated Kraft paper liner makes application smooth and easy. This tape is built to meet the highest standards of durability and performance, including UL181A-P/181B-FX certification.

Whether you’re working on a commercial HVAC system, industrial setup, or any demanding project, 3M HVAC Sealing Tape offers unmatched reliability. It’s the trusted choice for professionals who need a dependable seal in every situation.

Designed for both strength and visibility, this vapor seal tape is perfect for use in environments where performance and precision matter. Its versatility and long-lasting nature make it a valuable addition to any toolkit.

Invest in quality with 3M Duct Tape 3340. It provides a secure, long-term seal that’s built to last without compromising on effectiveness or durability. A must-have for industries that require reliable solutions every day.

3M Aluminum Foil Tape – Where reliable sealing meets performance excellence.