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[quote=tominpa]The deck has some exposed glass fiber and the gel coat is sanded through. I don't think you need additional fiberglass reinforcement unless the deck deflects excessively or show other signs of being thin and needing structural reinforcement. On most cats the area needed glass layers is usually along the bottom of the hulls if they have been dragged over beaches or worn.

The biggest task on this boat is going to be preparation fairing and sanding work. The final coatings can be either gel coat or Perfection.  If you go with Perfection, it will require careful priming and figure on 2-3 coats of final finish.  From personal experience, Perfection gives a very hard durable, high-gloss finish, but it shows every imperfection in the prep work. It is thin and won't cover problems. It is also pretty darn toxic stuff, so you need ventilation and a good organic respirator.  Gel coat is more forgiving, and its finish is derived from final sanding and polishing. If anything goes wrong or it needs repair, gel coat can be sanded and refinished while marine paint is basically a sand and repaint.  You have experience with gel, that is probably a better choice, especially if you don't have large areas of epoxy repairs.  For gel coat, spraying or rolling a catalyzed material and coating with PVA spray, or using a wax mixture/ vapor suppressent in the gel coat is a better way to ensure hardening than to paint with MEKP.<em>Edited by tominpa on Apr 10, 2019 - 10:10 AM.</em> [/quote]

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