【Wide Applications】Aluminum tape with adhesive backing is suitable for sealing, repairs and patching HVAC air duct system, wrap pipes insulation, waterproof sealing aluminum, sealing hot and cold air ducts, dryer vents, heavy duty ducts tapes, stainless steel and plastic joints/joints, temporary repair of metal surfaces, fixing hose and copper pipe, etc. Aluminum foil tape is suitable for smooth flat and irregular surfaces to heat resistant. | 【Strong Adhesion】Our metal tape is made of high quality pressure sensitive adhesives. So, this silver tape has stronger sticking, easier tearing, leave no trace without residual glue. This metal insulation tape is very fit for kitchen with heat resistant, moisture resistant, and waterproof. Provide you with excellent adhesive effects and stability under low and high temperature conditions (long-term temperature resistance: 120℃, short-term temperature resistance: 350℃). | 【3.9mil Thickness Aluminum Foil Tape】If the foil tape is too thin, the HVAC air duct tape will break easily, and if insulation tape is too thick, the heavy duty tape will be difficult to fit the pipe surface wrapping. The hvac tape of 3.9 mil thickness is moderate and perfect for use. So our 3.9mil muffler tape is not easy to break, high quality and affordable. It's easy to separate, just rip the aluminum tape for ductwork apart lightly. Better insulation and more tear resistance. The aluminum tape itself does not wrinkle and curl, making exhaust tape easier for the ducting work and saving you time. | 【Premium Silver Aluminum Foil Tape】Our such silver foil tape for ductwork has good waterproof performance, UV resistance, moisture resistance, heating / heat resistant, corrosion resistance, anti-aging, insulation, flame retardant, sealing seams. The dryer vent tape performs well in any type of weather! This metal tape is your superior choice. Works great for this heavy duty duct tape for ducts. | 【Package Included】You will get 1 roll silver aluminum foil tape for ductwork. Dimensions: 2 inches wide, 65 feet long and 3.9 mil thickness. If you have any questions about our metal ducting tapes, please feel free to contact us. We will get back to you within 24 hours, and give your a satisfied solution. This is silver metal aluminum foil tape for ductwork.