Moderated Discussion Areas
ContinuousWave: Whaler Repairs/Mods
|Author||Topic: Refinishing Wood|
posted 03-20-2004 10:00 PM ET (US)
I recently purchased a 1971 Montauk. It is my first boat. I need to refinish and probably replace some wood on the center console. Any ideas?
posted 03-20-2004 10:28 PM ET (US)
Don't take it apart unless absolutely necessary. If the joints are loose, consider clamping them tight and glue with clear expoxy adhesive. If laminate is peeling, see if you can clamp it back down and glue as well.
If wood is really destroyed, some dismantling will be needed. If its a total mess, take it apart and use pieces as template. If you don't have a local source for marine plywood, you can find mahagony plywood and solid mahagony at Boulter Plywood Corp, www.boulterplywood.com at 617-666-1340
Strip the old varnish, lightly sand so you don't sand through the laminate on the plywood. Lightly wire brush with the grain to get gunk out of the grain. This will really bring back the "ribbon" look caused by the natural grain.
I like to use an epoxy saturating resin to seal the wood before varnishing, but it adds expense and labor... and its not they way they did it in 1971. However it does a great job water proofing to prevent future damage.
When you take off the steering wheel you may be lucky enough to find original untouched finish. This can give you the color to shoot for. You can varnish the bare wood or stain to match color under the wheel. If you stain, don't use a mahogany stain, they are way too dark. Try a maple stain or cherry stain (in a small area under the wheel and see what you get.
If you're going to use the epoxy saturate, then use water base stain. If you're going to varnish directly, use oil based stain.
posted 03-20-2004 10:59 PM ET (US)
I am curious about the recommendation to use a water-based stain on wood to which you will later seal with epoxy. I assume water-based stain is desirable because the water will evaporate and leave the wood dry to take the epoxy. Is the a generally accepted recommendation?
posted 03-20-2004 11:18 PM ET (US)
Yes, that's my take on it. Oil goes well on epoxy... for example varnish over saturate. But epoxy doesn't do as well over oil... saturate on stain. After using water-based stain the epoxy saturates the dry wood without having to "compete" with the oils.
That said, epoxy sticks to nearly everything!
posted 03-20-2004 11:32 PM ET (US)
There have been several published references to expoxy over stain. For some time WEST SYSTEMS has recommended water-based under epoxy, but did some testing on various oil-based stains. Testing show epoxy dried quickly with some oil-based products and took several days for others. Minwax wood finish (which is a very popular oil base and its likely some Whaler workers would pick it off the shelf)failed to stick to the epoxy even after four days.
They published a chart that shows oil-based brands that did successfully dry and adhere at http://westsystem.com/ewmag/21/pdf/Ew21_epoxy_adhesion.pdf
Their final recommendation is "if you don't have a preferred stain on the chart, use a water-based stain".
posted 03-21-2004 09:14 AM ET (US)
You have to forgive me here, but I am a bit of a traditionalist. I really prefer to use thinned varnish for sealing. A 50/50 mix of spar varnish and thinner for the first 2 coats does a great job sealing. Plus you have the added benefit of not having to buy another product. Additionally, epoxy has no UV protection. A famous boat finisher once said "I don't paint with glue and I don't glue with paint."
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