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OSB spacing?

Posted on 12/30/17 at 8:12 pm
Posted by RaginCajunz
Member since Mar 2009
5310 posts
Posted on 12/30/17 at 8:12 pm
Never used OSB before. Working on a project and about to that stage. Everything I read and the material itself says 1/8” spacing. The invoice from the lumber yard has a line note below the OSB that says 1/4” spacing.

Is that a standard spacing for high moisture/humidity climates?
Posted by Hank R Hill
Arlen,TX
Member since Jan 2017
462 posts
Posted on 12/30/17 at 9:58 pm to
If its for roof decking and you're not sure buy some spacer clips and use them. It will be uniform and correct
Posted by Chuker
St George, Louisiana
Member since Nov 2015
7544 posts
Posted on 12/31/17 at 12:11 am to
every project I've done with osb called for 1/8. never seen 1/4
Posted by RaginCajunz
Member since Mar 2009
5310 posts
Posted on 12/31/17 at 6:16 am to
Yeah, I found the 1/4” note odd. Of course they were closed For the Holiday weekend yesterday and I’m guessing not opening until Tuesday. I did finally find somewhere online suggest “up to 1/4” if the boards have not acclimated “ to the humidity.

Aside from that 99% of all info I come up with says 1/8.
Posted by JamalSanders
On a boat
Member since Jul 2015
12135 posts
Posted on 12/31/17 at 8:08 am to
Go 3/16"
Posted by Capital Cajun
Over Yonder
Member since Aug 2007
5525 posts
Posted on 12/31/17 at 8:23 am to
1/8 is sufficient but if you’re doing a roof get the clips.
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