- 1). Wipe the board down with a towel to make sure that it is completely dry. Lay the board on a flat surface with the side of the board with the bubble facing upward.
- 2). Use a razor blade or knife and cut an X through the bubble spot. Peel back the corners created by the cut.
- 3). Look to see if there is any raised foam beneath where the bubble was. Shave the foam evenly with the surrounding area with the razor or knife, if necessary.
- 4). Use glue specifically designed to adhere to foam in a hot glue gun and apply glue to both the foam underneath the cuts and the flaps as well.
- 5). Push the flaps back into place. Wipe away any excess glue. Place a heavy weight on top of the cut and let it sit overnight,
- 6). Fill in the cut marks with glue and allow to dry. Use fine grit sandpaper to smooth away any ridges.
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