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post #5 of Old 08-03-2012
j34035's Avatar
Join Date: Nov 2006
Location: Jackson, Missouri
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Re: Spraying gelcoat

Follow Mainsails advice step for step and you will be surprised with what you can do with old gel coat. If you do decide to spray gelcoat, buy a gun unless you are only doing small touch up areas. I have used cheap hvlp guns with good results. Wood is a lousy substrate for practice. Do you have an old piece of glass? That gives a good smooth surface to shoot, and you can wash it off after you are done. Thin your gelcoat and set your gun up shooting gelcoat without the hardener and that allows you time to play. The gelcoat will dry but not harden and will wash off with acetone. I have even shot without the hardener on my boat to see color match and then washed it later. Once you add hardner the clock starts ticking. Work on small pieces before you tackle anything like a deck. Good luck with your project!

Jboat J/37c (new to me Jan 2011); J/22 #1003

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