How to Fix a Delamination on a Surfboard


All surfboards eventually suffer wear and tear. Tears, such as delamination, require immediate repairs to avoid further damage. Delamination occurs when fiberglass cloth is separated from the board's foam. This primarily occurs where your weight pressure is applied to the board's surface. If you detect any hollow and soft sections on your board, it's time to do some repairs to prevent rotting, discoloration and any further damage.

Things You'll Need

  • Resin and hardener
  • Drill with 1/8-inch bit
  • Wax paper
  • Weight
  • Medium-grit sandpaper
  • Clean your surfboard. Remove all dirt, wax and moisture.

  • Drill two holes at opposite ends of the board's damaged area.

  • Remove all the moisture by squeezing or wiping the repair area. Lay your surfboard flat on a dry, clean space.

  • Mix the resin by following the specific instructions on the container. Resins for surfboard repairs come in either polyester or epoxy. The construction type of your surfboard determines which resin you need. Estimate the amount of resin, based on the size of your board's repair area. Mix enough to fill about half of the delamination.

  • Squeeze resin into each drilled hole. Leave space for compression.

  • Place the wax paper over the repair area, and push weight on top to flatten and even out the resin.

  • Allow the resin to dry completely. The amount of time depends on the size of the repair and the resin.

  • Remove the wax paper and weight. Sand any rough surfaces or leaks with a medium-grit sandpaper.

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