3M Foil Tape 3340 Silver

3M Foil Tape 3340, Silver, 2 1/2 in x 50 yd, 3.9 Mil

• EASY RELEASING LINER: Poly coated kraft paper liner protects the adhesive and keeps the tape ready for use.
• LONG LASTING: The foil backing serves as an excellent barrier against moisture, dust and many chemicals – making it strong, durable and long-lasting.
• Listed for both UL181A-P and UL181B-FX.

The 3M Foil Tape 3340 is ideal for sealing rigid fiberglass duct boards and flexible air duct systems. Our tape meets requirements for UL 181 A-P and UL 181 B-FX Listings as a measure of reliability and quality standards.