![]() ![]() Though smooth and relatively durable, gelcoat, like any finish, is prone to dings and scratches. Especially with the production polyester fiberglass, the gelcoat protects against weakening of the fiberglass laminate from water intrusion. More than adding gloss, it also functions as a water barrier to the fiberglass underneath. Thus, when popped from the female mold, the gelcoat becomes the exterior finish. The fiberglass laminate is laid in over this. After waxing the mold thoroughly, a polyester- based material called This allows the newly laid molded boat part to pop out once cured. When making a new fiberglass piece from the permanent mold, the mold is covered thoroughly with a release wax. A little trial and error is all you need to make those blemishes disappear. These simple guidelines will get you started. ![]() But you need not be an expert to make a simple repair. There is no succinct short answer for gelcoat, it is an art that takes some experimenting to perfect. The following will help you gather all the necessary supplies, select the right conditions and finish with an acceptable repair. If you are looking to do some DIY gelcoat repairs, this brief primer will help achieve adequate repair. Aside from the durable shiny luster gelcoat adds to any fiberglass boat, most owners know little more than wash and wax it frequently. ![]()
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