marine ply / wpb

Postby glen101 » Wed Feb 11, 2009 2:37 pm

irecently have had a new kitchen fitted. the worksurfaces are corian mounted on mdf. We have put some of the same surfaces outside (under a canopy). To be fair to the installer they did say it would warp. But i requested them to mount it on marine ply. i even offered to buy the marine ply and free issue it to them.

they assured me they had mounted it on marine ply. it has been installed about 2 months and it is now beginning to warp. should marine ply warp in wet damp conditions? i was under the impression it could be submersed in water
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Simply Build It

Postby stoneyboy » Wed Feb 11, 2009 10:53 pm

Unless the ply was allowed to dry and then sealed on all sides I think you have to expect some distortion. Marine ply would not distort as much as wbp bonded ply and you have to be careful which one is used.
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Postby rosebery » Wed Feb 11, 2009 11:07 pm

Lots of stuff on the market these days being sold as "marine ply" which would not withstand immersion. The proper stuff is very expensive. If you go to a yard and buy "marine ply" in all good faith (as your installer or even you may have done) it may well be of a lower spec than you thought you were getting but he still used "marine ply" per your request.

After all he did say it would warp.
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