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Finish for Oak Bathroom Vanity

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Wilfage

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Hi all,
I’m building a solid oak vanity for a bathroom for some friends of mine. They are very particular about the finish and I’m concerned about it’s longevity. They want a finish that doesn’t change the colour of the oak at all and has to be completely Matt. I’ve been looking at osmo raw, it seems to fit the bill but I’m concerned of it’s ability to withstand standing water on it. I really don’t want any water stains creeping through over time. Anyone any alternatives to the above? I have bought some and tested it. The colour/finish is perfect, I just wondered if there were any alternatives out there. Thanks in advance!
 

mrpercysnodgrass

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I have a job next week which is a vanity unit, it is in fact a Louis XV walnut commode with the top converted to take two wash basins, whoever converted it must have used a wax finish, it is covered in water stains and looks awful. I would normally use Osmo to refinish something like this but the job is a long way from home and for a difficult celebrity client!! The job has to be started and finished in a day so my first thought was to use a two pack lacquer but I think I would get arrested if I used that on site! So I have decided to use Ronseal diamond hard matt varnish, I can get two or if needed three coats on in the day, then cut it back and wax which will give a satin finish that will hopefully stand the test of time.
If you have time I think Osmo Polyx will be your best bet, I have used the raw on a kitchen worktop once and after only a few months it was covered in water stains, however lots of people on this forum will swear by it! Bear in mind that any matt finish will end up with shiny areas over time where it gets handled.
 

Doug71

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I tried a few different finishes on an Oak bathroom vanity top I have and all suffered watermarks, would probably have been fine if it was just me using it but the kids aren't as careful. Ended up using some external poly varnish which works but doesn't look as nice.

A few months ago I made a couple of small external Oak benches and finished them with some Ronseal external varnish which was water based, it looked totally clear when dry. I wasn't expecting much but 6 months on and they still look fine, even the horizontal surfaces, if it is okay out in all weathers for 6 months I'm sure it would be okay on a vanity top.
 

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