WebThe most common product used to thin gelcoat is styrene, but it should be used very sparingly because the color of the gelcoat can shift if too much styrene is added. Styrene … WebExcessive gel coat thickness. Laminate too thin. 8. Mould mark. Defect in the mould. Crazing. Fine cracks extending in groups or singly over the surface of the gel coat. 1. Gel Coat too thick. a. Ensure that gel coat is of even thickness. b. Use correct amount of gel coat resin to give optimum thickness 600-800g/m² is normal. 2.

Re-Gelcoating your boat - Bertram31.com

WebThinning gelcoat for spray application The type of spray equipment and the temperature conditions typically dictate whether and how much you'll need to thin the gelcoat. For … Web3 Oct 2024 · Thinning gelcoat should only be done when it needs to be, such as for spray applications. One of the most commonly used products for thinning gelcoat is acetone, and though this product will lower the viscosity, it has a strong tendency to adjust the color of the material as it cures. Will acetone damage gelcoat? herulf johnsen

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WebThe gelcoat filler is white and hardens to a waterproof finish, which can be painted to match the colour of your boat if required. ... Make sure the scratch is clean and dry and apply a thin layer of gelcoat filler to the base … Web16 Feb 2024 · Patch booster is an additive that will thin out your gelcoat while preventing running. The product will not affect colors like styrene or acetone and is added up to 25 percent by volume to your gelcoat (one quart per gallon). What psi do you spray gelcoat? Set the gelcoat gun pressure to 20 psi. WebDip the paint roller in the gelcoat and roll it back and forth on the ridges in the paint pan to remove any excess gelcoat. Apply a thin layer to the surface, because thick layers tend to run. Let the gelcoat cure for the amount of time recommended by the manufacturer. Step 6 heru kusmanto