Originally Posted by Joe4majors
Let me resurrect this old thread real quick...I haven't dealt with OSB much. Are there any paints I should avoid? What would be ideal? Someone mentioned OSB is bad about soaking up a lot of paint. Any waterproofing of the OSB aside from exterior paint? I plan on the floor being treated plywood with the subfloor being treated 4x6s.

I'm going with 4'x8' and have two sides more or less done.



We have a few unpainted OSB houses. They have lasted 15+ years.