Cleaning wood grain

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Cleaning wood grain

Post by kayeselle » Tue Jul 07, 2015 4:41 pm

I have stripped a rudder blade which had had varnish, epoxy, paint and worst of all self polishing anti fouling on it. It is laminated with a thin veneer on the surface. Over significant areas the coatings had obviously failed/lifted and been removed and the last coat - the self polishing anti fouling (black) applied direct to the veneer. Most of the blade has stripped to a rescueable surface but the anti foul has got into the grain where applied to "raw" wood.
So far I have tried paint stripper, fine brass wire brush, fine wire wool, copious amounts of white spirit and judicious wood scrapping but that nasty black stuff is still in the grain.

All rescue suggestions welcome:

Is there a way to clean it ?
Is it possible for a reasonably competent DIYer to re-veneer at home ?
Any other ideas ?


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Re: Cleaning wood grain

Post by trebor » Tue Jul 07, 2015 8:12 pm

Have you tried cellulose thinners ?
Wrap the blade in old rags soaked in thinners, then leave to sweat, (remember it is flammable).
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Re: Cleaning wood grain

Post by Ian Malcolm » Wed Jul 08, 2015 12:02 am

Most self polishing and eroding antifoulings use xylene as the thinners and are often colophony resin based. Try naptha, outdoors, away from naked flames and ALL other ignition sources.

However, even if you dissolve all the base resin the pigment and copper oxide biocide are likely to still be embedded in the wood grain. You could try and see if you can pick up the pigment out of the grain on sticky tape, but I suspect its a lost cause.

Naptha can be found in the pound shops as lighter fluid, but that's an expensive way of buying large quantities.
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Re: Cleaning wood grain

Post by kayeselle » Wed Jul 08, 2015 10:49 am

Thanks guys
I'll keep trying cleaning for a bit.
Any ideas on re-veneering if I finally give up hope of rescuing the original ?

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Re: Cleaning wood grain

Post by chris » Wed Jul 08, 2015 2:20 pm

A vacuum bag is good way for a non-flat surface.

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