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YOUR FIRST CHOICE FOR RESIN, GEL COATS, AND FIBERGLASS
Easiest Option: Topcoat AdditiveSmooth, nearly "walk-away" finish | No need for PVA or wax Classic Approach: Surfacing Agent (Wax) Add to gelcoat at 4% ratio | Forms a barrier, allowing gelcoat to cure Learn More
Gelcoat won't cure properly on its own because it needs help to overcome air exposure. You'll need either wax or a catalyst (MEKP) to ensure it hardens. Wax creates a surface barrier for open mold repairs (followed by sanding/polishing), while MEKP chemically cures the gelcoat for closed molds or thicker layers. Choose the best approach based on your project's mold type and desired finish.
Surfacing Agent: Traditional wax additive that creates a barrier for gelcoat curing. Requires additional sanding and finishing steps.
Topcoat Additive: Advanced additive for a nearly flawless finish. Minimizes sanding and buffing for faster results.
Remember: Catalyst is always needed. Don't skip these steps!
If you have any questions, please give us a call at (909) 923-2200.
This item is considered hazardous in volumes greater than gallon sizes and will include a special handling fee when ordered in individual units with volumes greater than a gallon. If shipped by air, this item will always require a special handling fee, regardless of volume.
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*Available for online orders only can not be combined with any other offer.