How to Fix Surfboard Cracks With Solarez

Written by jack taylor
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How to Fix Surfboard Cracks With Solarez
Surfboards can be damaged easily, so knowing how to repair a surfboard is useful. (Jupiterimages/ Images)

Solarez, also known as Solarez UV cure resin, is a resin and fibreglass filler compound that can be used to repair cracks in a surfboard. Unlike conventional resins, it does not require the addition of a hardener as a catalyst. Once applied, Solarez only needs to be exposed to sunlight to cure and harden.

Skill level:

Things you need

  • Solarez UV cure resin
  • Clear cling film
  • Rubbing alcohol
  • Cloth
  • Fine grit sandpaper

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  1. 1

    Use some fine grit sandpaper to lightly sand around the cracked area on the surfboard. Apply some rubbing alcohol to the crack and use a cloth to wipe off any dust and dirt that surrounds it or is inside the crack. Ensure the area to be repaired is completely clean and dry before applying Solarez.

  2. 2

    Move the surfboard into a shaded area. Apply a small amount Solarez to the crack on the surfboard. Keep applying small amounts of Solarez to the crack until it is full.

  3. 3

    Place the sheet of clear cling film over the Solarez. Manipulate the Solarez by using your fingers to shape it through the clear cling film.

  4. 4

    Shape the Solarez until it covers all of the damaged area and all air bubbles have been worked out. Do not expose the Solarez to direct sunlight until you are completely happy that it covers all of the damage.

  5. 5

    Expose the Solarez to sunlight while holding in place the clear cling film covering it. The resin should gel in around 30 second to one minute, depending on sunlight intensity. Once the Solarez has gelled, you may let go of the clear cling film.

  6. 6

    Expose the Solarez to sunlight for an additional five to 30 minutes to cure. Do not touch the Solarez until it has fully hardened.

  7. 7

    Remove the clear cling film and the Solarez will have a glossy finish. Depending on how smooth the finish is, you may want to use the fine grit sandpaper to sand off any rough edges.

Tips and warnings

  • After around 30 seconds of exposure to sunlight, Solarez becomes semi-solid and is very easy to mould and sand.
  • Try not to get any of the Solarez on your hands or fingers because it contains toxic chemicals.

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