How to build a surfboard: the gel coat or hot coat

The gel coat or hot coat consists in applying a layer of polyester resin mixed with wax styrene on your newly laminated surfboard. Applying a gel coat is relatively simple. The first thing you have to do is to prepare a mixture of polyester resin with 5% of wax styrene. Then distribute the resin with a wide brush, try to get a uniform result.

If you use UV resin, wait five minutes before exposing the board to the sun, to allow the wax styrene to rise up.

But no worries, we have prepared for you a video to show the whole process, step by step:

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