Mabel H. Posted July 1, 2023 Report Share Posted July 1, 2023 I was wondering what others had used as finish for wooden coasters that makes a good water proof finish. OCtoolguy 1 Quote Link to comment Share on other sites More sharing options...
OCtoolguy Posted July 1, 2023 Report Share Posted July 1, 2023 I'm not sure but I made a redwood gate years ago and coated it with marine spar varnish. As far as I know, it's still going strong. ChelCass 1 Quote Link to comment Share on other sites More sharing options...
James E. Welch Posted July 1, 2023 Report Share Posted July 1, 2023 I'm not sure about coasters specifically but I use polyurethane on most projects and it seems to do well. ChelCass and OCtoolguy 2 Quote Link to comment Share on other sites More sharing options...
kmmcrafts Posted July 2, 2023 Report Share Posted July 2, 2023 The best you can get for coasters is epoxy but it isn't cheap... Spar urethane would be a second choice for me. I have a set of coasters I made years ago for my brother and I just used regular polyurethane on them. They still look good. I used satin I think gloss might show up water rings more.. I think I sprayed a lot of coats on them too.. like instead of the usual I did like 6-8 coats to make sure they was sealed up good. OCtoolguy and ChelCass 1 1 Quote Link to comment Share on other sites More sharing options...
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