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: Best used for "layups" or multi-coat projects where you need the surface to remain sticky so that the next layer of resin or gel coat can bond chemically without sanding. TotalBoat Fiberglass Gelcoat White no Wax Go to product viewer dialog for this item.

: This is ideal for final exterior layers or one-off repairs. The wax additive rises to the surface as it cures, sealing it from the air so it can dry to a hard, tack-free finish. TotalBoat Marine Gelcoat White Quart with Wax Go to product viewer dialog for this item. buy gel coat

: Most gel coats require a temperature range of 65°F to 80°F to cure correctly. High humidity can interfere with the chemical reaction. : Best used for "layups" or multi-coat projects

While not a traditional gel coat, this epoxy putty is excellent for sealing dings and gouges below the waterline to prevent moisture intrusion. Key Factors for Success The wax additive rises to the surface as

: Most professional-grade gel coats require a MEKP (Methyl Ethyl Ketone Peroxide) catalyst. Always follow the manufacturer's mixing ratios—typically around 1–2%—to avoid a "hot" mix that cracks or a "cold" mix that never hardens.

: A premium ISO/NPG polyester gelcoat that is more durable than standard options and easy to sand to a high-gloss finish. Polymer World White Polyester Gelcoat with Wax Go to product viewer dialog for this item.