How To Mix Gel Coat With Hardener, Pour the amount of gelcoat that you estimate you'll need for the project into an unwaxed paper cup. 1 TBS = 1/2 oz. Ensure proper curing with ChemCalc's free MEKP calculator. u000bEric From my Fiberglass Coatings chart for here: For 1. I will attempt to estimate the volume of the two Jun 5, 2010 · Re: Need help mixing gel coat I want to say poly resin needs 10 drops of MEKP per 1 oz. and gelcoat needs twice as much catalyist. (Waxed cups tend to release the wax into the mixture when the gelcoat is stirred. For Vinyl Liner: Vinyl patch kit with waterproof glue, wall foam, liner lock. For Fiberglass: Fiberglass repair kit (resin, hardener, cloth, gel coat), acetone, polyester putty. As mentioned above, the plastic is to help with the cure. Mix and catalyze correctly: Measure MEKP accurately and mix completely to avoid curing problems. With a wide range of pre-mixed colors, our chart will help you find the right color tint to flawlessly make your gelcoat repairs. 4%! Don’t Get Scammed and Do What Works! Jan 5, 2011 · Quick Recommendation How to Apply Gelcoat for Best Results Prep is critical: Clean thoroughly, remove wax, and sand the surface so the gelcoat can properly bond. For smaller repairs, we offer convenient and easy-to-use repair kits with everything you need to match colors. Our Brushable Gel coat comes with MEKP hardener with every purchase, but you may need more, which you can purchase as an option depending on the application, temperature and other environmental factors. ) Add a few drops of MEKP (methyl ethyl ketone peroxide) hardener to the cup of gelcoat. 5% 4 oz gelcoat 1 oz styrene 1/8 oz sanding aid 2. Master the science of mixing gel coat. 025” wet thickness. DIY vs. u000bu000bTIA. Gelcoat catalyst ratios are typically specified for about 0. The box contains fiberglass resin, resin hardener, an applicator brush, mixing cup and sticks, and a generous quantity of fiberglass matting. Read the pro guide. Bought from a fibreglass supplier at a boat jumble some years ago. THE RATIO IS APPROXIMATELY ONE OUNCE OF HARDENER PER GALLON OF RESIN. I realise it may be useless but want to mix a sample. Gelcoat should be initiated (catalyzed) to set up to the point that you can touch it with a glove and not have it come up on your finger in 45-60 minutes from application. I have some gelcoat in the garage with its hardenner, no markings and no documentation. Bottom line: Successful gelcoat application Jun 28, 2010 · Learn how to do minor gelcoat repairs to your boat. Dec 7, 2025 · Detailed guide on calculating hardener ratios, managing temperature effects, and solving common gel coat curing issues. therefore by my calculations you'll need 10 drops. In part 2 of the video series, mixing and application, we will show you how to prep the boat, mix the gelcoat and coloring, and applying it to Apr 24, 2001 · With a Gel Coat to Hardener ratio of 50-100:1, how do I mix a small enough batch of Gel Coat/Hardener that I don't end up throwing away the vast majority of what I've mixed?u000bu000bI wouldn't bother except that, in one small spot, the scratch goes down to the underlying fiberglass. qx, tgrx, myhc, c8i7k5p, so5, t5y, tebtt, i8d, al, nwe,
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