Aluminum Foil Tape 2″ x 65ft | 3.9 Mil High-Temp HVAC Tape for Ductwork & Vents
THICKER: 3.9 mil / 0.1mm foil tape. The thickness of 3.9mil is moderate for use. So foil tape of 3.9mil is not easy to break and is your best choice. MULTI-PURPOSE: Aluminum foil tape is suitable for smooth flat and irregular surfaces.