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Gelcoat damage is a common issue for boat owners. After prolonged exposure to saltwater, UV rays, and general wear, surfaces can develop spider cracks, fading, chips, or exposed laminate.
The good news? Most gelcoat repairs are simple DIY jobs—saving you time and costly professional repairs.
Gelcoat is the protective outer layer of fibreglass boats. It provides:
When damaged, it not only affects appearance but can also expose the underlying fibreglass to long-term deterioration.
Understanding the issue helps you repair it correctly:
Proper preparation is key to a long-lasting finish.
Follow These Steps:
Remove damaged material
Use a grinder or chisel to eliminate loose or cracked gelcoat.
Feather the edges
Sand the area with 240-grit sandpaper to create a smooth transition.
Avoid over-sanding
Do not expose the fibreglass layer unless necessary.
Clean the surface
Wipe with acetone to remove dust, grease, and contaminants.
Tip: A clean, roughened surface ensures strong bonding.
Using the right technique ensures a smooth, professional finish.
For deeper damage, allow the first layer to cure, then lightly sand before applying a second coat.
Once the gelcoat has fully cured, it’s time to restore the shine.
Result: A seamless repair that matches your boat’s original finish.
At Tricel Composites, we supply high-performance gelcoat repair products trusted by marine professionals.
Don’t let cracks, chips, or fading ruin your boat’s appearance or performance.
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