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Cleaning for epoxy repair?

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Old 01-29-2007 | 11:04 AM
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Default Cleaning for epoxy repair?

I'm geting ready to do some repairs to a boat that's had wax on it. It's car wax, so how hard is it to remove? There is some places where there is exposed wood so I don't want anything soking into it. The repairs will be done with epoxy, and the finish is epoxy too.
Thanks
Shawn
Old 01-29-2007 | 11:16 AM
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Default RE: Cleaning for epoxy repair?

Not really hard, but you do want to be thorough. There are products called "Deglossers" and solvent washes specifically to remove wax from fiberglass (The gelcoat/paint is often the first part of a boat that goes in a mold, on top of a layer of mold release wax. This wax has to be removed before adding trim or touch-up paints). Acetone will work, but you have to use lots of rags or you'll just spread the wax around and it will re-harden once the acetone evaporates off.
Old 01-29-2007 | 01:54 PM
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Default RE: Cleaning for epoxy repair?

Option #2 Do the same procedure but use straight household ammonia followed by detergent wash and rinse.

Do either cleaning BEFORE ANY Sanding, you don't want the wax on the sandpaper.
Old 01-29-2007 | 02:08 PM
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Default RE: Cleaning for epoxy repair?

What you want to use is a product called "Prepsol" or a Poly Fiber product called "C-2210". You may be able to find Prepsol locally at a paint store or go online at http://www.stitspolyfiber.com and look for C2210.

They are both used for cleaning surfaces before painting. they remove wax and/or contaminants before painting. Be sure any product you use is completely evaporated before using the epoxy. Especially the Acetone. Acetone is a solvent for epoxies.

Good luck
Chip
Old 01-29-2007 | 08:41 PM
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Default RE: Cleaning for epoxy repair?

I have access to some automotive paint prep. Will this work?
Old 01-30-2007 | 10:45 AM
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Default RE: Cleaning for epoxy repair?

Absolutely, it's the same stuff.
Old 01-30-2007 | 11:25 AM
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Default RE: Cleaning for epoxy repair?

Thanks!!! I'll get started tonight.
Shawn

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