i’m wondering if anyone out there has experience with trying to do a fine finish on an exterior, (though protected by an overhang), teak deck. i tried some very expensive marine varnish but it seems that ambient moisture has made it’s way to the wood and there is some cupping going on. the teak was laid in a bed of bostik’s best uerathane adhesive, (or however you spell that), on 1 1/8″ t&g. i’m assuming that the adhesive prevents a whole lot of moisture from the underside. i’m pretty sure i can prevent water from above by fiberglassing the entire deck using that west system epoxy stuff. has anyone tried that in such a circumstance? can you use a top quality marine varnish in conjunction with the fiberglass layer to provide ultra violet protection? i think they do race sailboats with fancy wood veneered hulls in clear epoxy but i don’t know for sure. any experience out there?
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The reason it is cup[ping now is that water has already foujnd its way to th ebottom via the T&G
Some basics -
You should never lay T&G exterior
When you do lay T&G exterior, it should always be direct on joists, never on subfloor. That makes a trap. You want the material to breathe both sides
When using epoxy, they trick is to glue the joints together as you install it.
IMO, the way things stand now - the tighter you seal the top, the more water you will trap. I don't have a good suggestion for you beyojnd this information to use next time you face this job
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i know why it's cupping, that's obvious. i would like to know if anyone has had experience with sealing wood veneered hulls on boats. i know it's done because i've seen it. what i'm most concerned about is uv protection. how is that accomplished under those circumstances? ...anyone out there with some actual experience with the application i'm referring to?