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Gelcoat application

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Illustrative comparison: red pigment produces pink in white gelcoat and a stronger red in neutral gelcoat. Actual shades vary.

9 stepsHow to color polyester gelcoatChoose the right base, measure compatible pigment and check a cured sample before coloring your project.

White gelcoat being sprayed onto the inside of a blue mold.

7 stepsIn a moldApply gelcoat first, then add the fiberglass backing.

Gelcoat being sprayed onto a repaired fiberglass surface.

7 stepsOn a surfaceApply gelcoat as a finish over an already repaired part.