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Old 22 March 2008, 15:30   #1
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Wood primer/sealer

Before I put my new deck down on the Arctic I want to paint all the bits of timber and ply that are in the hull. I'm looking for some kind of sealer or primer that will protect the wood really well as once the deck is down, I won't be seeing it again and I want to know that it's not all rotting away down there!

I'm really not an expert with wood, we've had a love/hate relationship since we first met, any ideas people?
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Old 22 March 2008, 15:45   #2
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Resin.
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Old 22 March 2008, 19:50   #3
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Resin.
Agree with JW, but its temperature sensitive so check first. Your photo of the hull looks familar.

http://rib.net/forum/showthread.php?...acific+console

I replaced some of the wooden supports under the deck with Teak which doesn't need treating and the ply was coated with polyester resin on the underside and GRP on the top. Worked well. Halmatic used Teak faced ply btw.

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Old 22 March 2008, 20:08   #4
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I would have thought it would pay to treat first with a clear overpaintable timber preserver , same as you would exterior timber and joinery .

Its fungal attack from damp conditions that causes timber to rot and a preservative soaked into the wood helps to prevent that fungal attack.

Just make sure its made for overpainting as some contain a wax to waterproof exterior timber .

I use Cuprinol Trade Low odour clear wood preserver on all the windows and doors etc i make , it doesn't just evaporate off the surface like some cheaper brands and takes a few days to dry which means its soaking well into the wood . The wood then takes paint stain or varnish etc very well . I usually spray it on with a simple hand sprayer bottle like most garden centres sell .

Probably best to cover up the tubes etc .
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Old 23 March 2008, 06:50   #5
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I replaced some of the wooden supports under the deck with Teak which doesn't need treating and the ply was coated with polyester resin on the underside and GRP on the top. Worked well. Halmatic used Teak faced ply btw.
Thanks Pete, I read your Pacific thread with interest some time ago, very useful! I didn't realize the ply was teak faced, did you replace your deck with this or standard marine ply? The joinery workshop next door to me say that teak is almost impossible to get these days.

All the strips of 12mm that sit on top of the stringers seem dry and in good nick, I just thought I would give them another coat of that black stuff whatever it is.

The plan for the deck is basically as you suggest, coat of resin on the underside and GRP on top with a non slip flowcoat.
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Old 23 March 2008, 07:55   #6
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I used G4 see here http://www.ecfibreglasssupplies.co.u...e725373124e49b


i used it on my plywood seats before i sent them for upholstery ....good stuff


cheers

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Old 23 March 2008, 11:26   #7
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I just used a sheet of 9mm marine ply. However it did have 2 or 3 layers of GRP then flow coat on top. That G4 stuff might be a good idea though. Some of my Teak spacers were past there best hence the need to replace them.

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Old 23 March 2008, 11:41   #8
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Resin.
Nah, not if you want it to be waterproof.
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Old 23 March 2008, 12:54   #9
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Nah, not if you want it to be waterproof.
Are you going to suggest that laminating resin isn't water resistant but gel coat is?
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Old 23 March 2008, 13:01   #10
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Erm, don't seem to remember mentioning anything about gelcoat.
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