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Thread: Varnish, Poly or Epoxy for interior woodworking? Reply to Thread
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  Topic Review (Newest First)
09-17-2007 05:55 PM
scurvy Wow....great information! Thanks for the advise and link Bobmcgov!

09-17-2007 04:34 PM
bobmcgov Poly varnish is very good stuff; the better water-based ones have nearly caught up with oil-based. (I used Target Coatings Pre-cat 8000 on my rudder, holding up very well under water!) You can mix in judicious doses of anti-skid powder if you like. But any film finish is titchy to repair and labor-intensive to completely re-do. And if water does get into wood sealed with a hardshell (film) finish, vapor pressure can kick off the varnish in chunks -- not a nice time.

For interior woodwork on boats, I'd use a quality crosslinked polyurethane or polycarbonate urethane. Finish all surfaces when possible, even if they don't show, and pay extra care to exposed endgrain. Recoat when previous application is still 'green' or scuff-sand between coats to ensure good bonding.

If the wood has previous moisture damage, you can stabilize it with Smith's penetrating epoxy sealer. It is effective at plasticizing wood fibers, but about as noxious as anything you'll ever use. Then varnish as usual.

Here's a link for Target Coatings. They make what I consider the finest low-VOC film finishes in the world. I haven't played with their EmTech 9300 polycarbonate yet, but I go thru appalling amounts of their 8000 Series PreCat. These products can be brushed, but HVLP spraying gives best results. BTW, these finishes can be ordered with or without amber tinting (overprint); the amber more closely mimics traditional alkyd varnish or shellac.
09-17-2007 01:16 PM
Originally Posted by camaraderie View Post
I'm with rick on the cabin...Polyurethane
and with Dog on the Sole...nothing better than Ultimate Sole!
I too have heard that about Ultimate Sole, but (fortunately/unfortunately?), I have not teak on my sole....yet! That is next year's project!

09-16-2007 08:59 PM
camaraderie I'm with rick on the cabin...Polyurethane
and with Dog on the Sole...nothing better than Ultimate Sole!
09-16-2007 02:56 PM
scurvy Thanks everyone for your input...there is a lot to consider.
Will have to chew all this over for a while before I decide what to do.
09-16-2007 08:42 AM
sailingdog Polyureathane is good for some woodwork, but I wouldn't use it for the cabin sole. Polyureathane is pretty slippery when wet.
Originally Posted by Rickm505 View Post
IMHO polyureathane is the only way to go. Wash with water to clean and it will look perfect for 20 years.
09-16-2007 06:44 AM
Rickm505 IMHO polyureathane is the only way to go. Wash with water to clean and it will look perfect for 20 years.
09-15-2007 10:10 AM
sailingdog It depends on what the woodwork is in many cases. Ultimate Sole is often used for cabin soles, but the other interior woodwork requires something different, and what you use is often determined by personal preference.

Oil is simple, but gets fairly dirty. Varnish, properly done is beautiful, but takes a lot of effort to maintain IMHO. Cetol or one of the polyureathane finishes is probably the best combination of apperance and ease of maintenance.
09-14-2007 04:34 PM
Catalina274me I should have said I use Cetol Marine. If that makes a difference.
09-14-2007 04:31 PM
Why no cetol

Cetol, etc. .... for concrete floors, etc. When buying an expensive used boat where someone used cetol on the interior (and exterior) ... would be an instant 'deal breaker'

Why would this be a deal breaker?
I use cetol on both interior and exterior, is easy to touch up if needed and looks great.
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