Wow, thats a ton of help, thanks! I'm not sure why I need to thicken the resin for the top coat, does that make it alot harder or something? I bought Bondo Brand "Fiberglass Jelly Resin" as well as fiberglass mats just a minute ago to try on a scrap piece, does that need a hardener over it? It's instructions say to apply one coat of the jelly resin, then fiber glass, then more jelly resin, then sand.
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