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How to use aluminum foil tape for sealing

Posted on 04/19/2023

Proper use aluminum foil tape is essential to ensure that all necessary components of the HVAC system are completely sealed and stitched together. The following steps can ensure the most effective way to use aluminum foil tape to achieve complete system shutdown:

1. Prepare the surface
The surface that you will be applying the tape to must be clean, dry, and free of dirt, dust, and debris. If the surface is oily or greasy, you can clean it with a degreaser or rubbing alcohol.

2.Cut the tape to size
Cut or tear the length of the aluminum foil tape. If the aluminum foil tape is short enough to handle, if the material is long enough to seal, apply HVAC aluminum foil tape directly from the roll of HVAC aluminum foil tape.

3.Peel the backing off the tape
If your aluminum foil tape has a liner, please remove the liner from the end you plan to use first.

How to Use Aluminum Foil Tape

4.Apply the tape to the surface
Apply the tape to the surface, starting at one end and overlapping the edges by about an inch. Press the tape firmly into place to ensure a good seal. Stick the aluminum foil tape to the center of the sealing seam with a rubber scraper to keep aluminum foil tape in a non inked state on a smooth surface and consistent with the uneven or textured surface.

5.Smooth out any air bubbles
If there are any air bubbles under the tape, use a credit card or other flat object to smooth them out.

6.Trim off any excess tape
Trim off any excess tape with a sharp knife or scissors.

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