Ideas on how to remove epoxy primer? - SailNet Community
 
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post #1 of 9 Old 09-24-2008 Thread Starter
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Ideas on how to remove epoxy primer?

Stripping the old paint job on the deck of my Shark and I am having a heck of a time with the primer. I am having no problem scraping off the old paint, but the epoxy primer is a bear. I am trying to ise a heat gun, but even that is frustrating as can be. Any tips/techniques that may be useful??
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post #2 of 9 Old 09-24-2008
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Sand the loose stuff off, then smooth. Apply a new primer over the old primer and repaint.

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post #3 of 9 Old 09-24-2008 Thread Starter
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Hmm, I guess that is the only choice. Trying to get every little bit of epoxy primer would have taken forever.
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post #4 of 9 Old 09-24-2008
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The epoxy primer is probably a better surface for your next layer of paint to adhere to anyways... just sand it to give it some tooth and then paint away.

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Heat guns don't affect epoxy.

Are you sure that it is an epoxy primer, not a fiberglass gelcoat you're attacking?
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post #6 of 9 Old 09-30-2008 Thread Starter
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If it is Gelcoat, it is one heck of a weird colour. Sort of a light brown/yellow colour. It has been coming off on most parts of the cabin/deck without a heat gun, flaking off just like old paint/primer. Heck, even if it is old gelcoat, I will leave it on where it si secure to the deck and remove it where it is flaking.
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post #7 of 9 Old 09-30-2008
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If your intent is to do a half ass job, then go ahead and do half the job. If it is flaking off already in spots, you should have a good idea of the previous craftsman's ability to do a proper job. If some of it is crap, it is all crap. Go get an angle grinder and a coarse sand paper grinding disc of some sort, protective equipment (full body if you haven't learned yet, you will). If you are doing this at home, build yourself some sort of bubble to contain your dust cloud. Have fun.
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post #8 of 9 Old 09-30-2008
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"Go get an angle grinder and a coarse sand paper grinding disc of some sort"

If you do this you will seriously regret it when it comes time to fair the surface. A random orbit disc sander with a relatively coarse grit (60, perhaps) would be a much, much better choice. I've done it both ways; I should know.

Either way you are in for some work. Have fun. Oh, and if you do end up sanding with a disc sander, change out disks often as the lose their abitility to work effectively fairly quickly and they are much cheaper than your time (I hope).

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post #9 of 9 Old 09-30-2008
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I'd second the recommendation for random orbital sander with about 80 grit discs... Don't use a cheap random orbital sander, get a good brand--Bosch, DeWalt, etc...

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