3M Aluminum Foil Tape 3381 1.88 in x 50 yd 2.7 mil Silver HVAC Sealing and Patching Moisture Barrier Cold Weather Air Ducts Foam Sheathing Boards Insulation Metal Repair
- COLD WEATHER: 1. 4 mil aluminum foil backing (2. 7 mil total thickness) coated with a pressure sensitive, cold-weather, acrylic adhesive system (-30F to 250F).
- EXCELS IN HUMIDITY: Designed for cold weather conditions and excels in demanding temperature and humidity applications.
- MOISTURE BARRIER: Excellent barrier against moisture, dust, flame and certain chemicals.
- UV RESISTANT: Providing good performance and durability in various environments.
- CONFORMABLE: Malleable foil is conformable, capable of adhering to irregular surfaces.