For scratches and gouges, a conical or spherical rasp that fits into power drill works well.Sand the entire taped off area out to the tape line with 3.The same is true for a painted or vinyl stripe. If there is a molded bodyline or corner near the repair, you may want to extend the color patch to that point. Roll/fold the edge on the work side of tape back to make soft blended edge. Apply Spectrum Color Gelcoat Patch Pastels.Wipe solvent on with a clean paper towel, rag or scotchbrite pad and immediately follow wiping dry with other hand before solvent flashes off. It gives a DIY boat owner the ability to repair gelcoat using a few other simple materials easily obtained. This handy guide is for localized repairs. In such cases, grinding off the gelcoat for wholesale refinishing is the best approach. This can often be heard cracking underfoot. Extensive spider cracking common on older boats is due to aging of the gelcoat. 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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December 2022
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