3M Aluminum Foil Tape 3340
- 3M
- 40132
- Silver
3M Aluminum Foil Tape 3340, 2.5" x 50 yd, 4.0 mil, Silver, HVAC, Sealing and Patching Hot and Cold Air Ducts, Fiberglass Duct Board, Insulation, Metal Repair
This duct tape is a vapor seal tape with a 2.0 mil aluminum foil backing and strong pressure-sensitive acrylic adhesive ideal for duct closure. The foil backing and acrylic adhesive make it perfect for hot and cold temperatures, with an operational temperature range of -40F-300F. The poly-coated kraft paper liner protects the adhesive and makes it easy to use. The foil backing makes it resistant to moisture, dust, and many chemicals, making it long-lasting. This tape is perfect for HVAC, duct closure, and vapor seal on reinforced fiberglass duct board, rigid fiberglass duct board, flexible air ducts, and air connectors.
What We Like
- Perfect for hot and cold temperatures
- Long-lasting and durable
- Easy to use with a poly-coated kraft paper liner