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dbcooper
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# Posted: 6 Jul 2014 10:57
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I have read where people have taken OSB and stained and poly coated it for floor surface. I wondered if anyone here could comment on how that worked out for them>
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Bret
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# Posted: 6 Jul 2014 16:26
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After all these years! Where have you been?  Seriously, I have been researching painting advantech subflooring and you can do it using oil based paint and even concrete floor epoxy stuff. As far as staining regular osb, it can be finished just like any wood floor: sand, stain, and finish with clear. Search osb flooring in the forum search box and on your web browser. All kinds of things pop up.
Bret
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bukhntr
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# Posted: 6 Jul 2014 16:48
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Yes, I have seen it done. My wifes' granparents did it on an addition probably more than 30 yrs ago. It makes a very unique looking floor. I don't know how many coats of urethane they put on but it looks to be pretty thick. I think you will be pleased. Good luck
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Malamute
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# Posted: 7 Jul 2014 01:11
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Would you prefer it over plywood? I've seen both finished out, ply generally looks vastly better, and sometimes is not much different in price. Even with a price difference, I'd use ply.
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countrygirl
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# Posted: 7 Jul 2014 14:41
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We lightly sanded down our OSB subfloor, then put 3 coats oil base urethane. if you stain it first if you want to add color. use wood glue and saw dust from sanding to fill in the cracks for a seamless floor.
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dbcooper
Member
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# Posted: 7 Jul 2014 20:09 - Edited by: dbcooper
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countrygirl, that is the look I am going for.
that looks fantastic
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dbcooper
Member
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# Posted: 7 Jul 2014 20:11
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I'm thinking I need to put down some felt lining for a barrier over the plywood first
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bldginsp
Member
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# Posted: 7 Jul 2014 22:26
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If you have ever seen a scrap of osb left out to absorb moisture, you will know how much it can absorb moisture if given the chance. I left out one 3x3 piece of osb and one of plywood to the elements over this last winter. The osb has swelled up like a sponge, the plywood is almost good as new. Anyway just to make the point that going the extra mile to seal the stuff is really worth it, cause once it swells up having absorbed a spilled cup of tea, you can't un-swell it. Nice looking floor Countrygirl.
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Don_P
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# Posted: 7 Jul 2014 22:49
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Advantech won't do that, I switched from ply to it several years ago after having to replace sheets of delaminated ply on numerous jobs. I've yet to replace a sheet of advantech. On many houses we've gotten mismixed oil based paint and coated the floor to protect it during construction, both ply and osb, it does help if you're running slow.
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bldginsp
Member
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# Posted: 8 Jul 2014 07:43
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OK, you got me, Don. What is Advantech?
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Don_P
Member
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# Posted: 8 Jul 2014 22:34
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It's Huber Corp's brand of osb, they are the zip roofing and wall system folks as well. Best I can tell it has lots more glue. It's a good bit heavier and throws sharper dust off the saw. It costs a few bucks more per sheet but it's the most stable, weather resistant floor sheathing available. I've used it across a good bit of the country and it is advertised in national trade mags, I think you can get it anywhere. I've had to replace or sand just about everything else at some point, so far this has been trouble free and I think I'm into several thousand installed sheets of it, good stuff.
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MtnDon
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# Posted: 11 Jul 2014 23:17 - Edited by: MtnDon
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I heartily endorse what Don_P said. I couldn't find it locally about 6 - 7 years ago, but now can. It is absolutely the best subflooring IMO.
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