3M 07811 3340 Series 2.5 in. Aluminum Foil Tape (Each)

3M Foil Tape 3340 is constructed using a 2.0 mil aluminum foil backing with a strong, pressure sensitive acrylic adhesive for long term adhesion, along with an easy releasing poly-coated kraft paper liner to protect the adhesive and keep the tape ready for use. The highly engineered aggressive acrylic adhesive performs in both cold and hot temperature conditions.

Features:

• 2 mil aluminum foil backing is ideal as a vapor seal tape for duct closure
• Replaces mechanical fasteners for rigid duct board
• Thermally conductive backing helps heating and cooling efficiency
• Permanent acrylic adhesive combined with the durable 2 mil backing provides long service life
• 50 yd. x 2-1/2 in.