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pics of our 84 tru trac from back in the day

You can use standard mixing volumes for polyester resin. There are epoxy gel coats and polyester based gel coats. Most are polyester based and will use MEKP hardener. Gel coat is just resin, talc, pigments and usually a little surfacing agent which is just wax in a solvent (styrene for polyester/xylene for epoxy). Surface prep is key, it will harden faster the hotter your environment is. You can adjust this some with the hardener volume. If you have never used it before do some test spots/panels. Typically 1 ounce resin/gel coat to 10 drops of MEKP. More if under 60 degrees. Little less if above 90 degrees. If just covering chips and small areas, sand around the chip, wipe with acetone, tape the area off with excess room, paint on/dab on the gel coat, cover with a plastic sheet and smooth it out. Particularly useful if on a non flat surface. Flat areas will settle more uniformly. Nick

My boat turned out awesome with compound, polish n wax (some wet sanding was needed in couple areas). Took pic last night with boat and trailer waxed....and then a close up pic showing gelcoat around vent (should have gotten some others), but really happy considering it was my first time doing it to entire boat. Just need to finish interior polish to gelcoat sometime soon, it just needs a polish and wax to pop.