As a surfer, maybe you're outgrown your old long board, or you just want to try something new. Since long boards have plenty of surface to work with, they are the best candidates. Using a pre-existing board as a template will allow you to create a professional shape when reworking your long board. However, reshaping any board is a complicated process that requires some knowledge of surfboard shapes before you begin planing. Additionally, reshaping should only be done on boards that have not been finished, as this can damage the coating and cause more trouble.
Items you will need
- Long board
- Smaller existing surfboard
- Shaping bay
- Soft weight
- 36-grit sandpaper
- Electric planer
- Planer blocks
- Laminating resin
Choose an existing board to use as a model for reshaping your long board. The model board should be smaller than your long board.
Create a template for your new board by tracing the outline of the smaller model board on a thin sheet of Masonite. Cut the Masonite out as smoothly as possible to make the template.
Cover your nose and mouth with a dust mask or respirator and wear safety goggles. Place the long board deck-side-up in the shaping bay.
Place the template on your long board and center it as much as possible. Trace around the edges of the template with a pencil. Place the soft weight on the center of the board and cut around the outline with a handsaw. Allow 1/4 inch between the cut and the outline to accommodate truing.
Sand the edges of the board with a 36-grit sandpaper to true up the edges.
Turn on your planer and begin to shape the deck of your long board, going from the bottom to the top, but stop just before reaching the nose. Use slow, even movements to prevent tearing and misshaping the board. Don't cut too deep on the deck, as the top is prone to cracking. Compensate by making deeper cuts on the bottom of the surfboard. Repeat this planing process to shape the bottom of the board. Since you're planing a preexisting board, you should not need to remove too much foam to shape it.
Turn the board back over so that it is deck-side-up. Using your handheld planer blocks, finish the tip of the board by making firm, even passes over the tip. Repeat this process on the bottom of the board until you have achieved the shape you want.
Apply a thin, even coat of laminating resin to all sides of the surfboard to finish and seal it.
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