Can i use osb for underlayment

I've had no experience using leveling compound. However, not sure it is pertinent here as the entire sub floor probably needs to be raised. If it was just one area that was the question mark, I can see how leveling compound might be optimal. I'll know more when I get motivated to tear up the entire sq ft of carpeting — B.

I wouldn't use leveling compound to bring an entire room up, nor is it well-suited under a nail-down hardwood floor in my experience. All those nails are going to beat it up pretty badly. Add a comment. Active Oldest Votes. That will work. That's probably one of the better things to use to bring your floor level.

Improve this answer. Fresh Codemonger Fresh Codemonger 7, 9 9 silver badges 29 29 bronze badges. DMoore DMoore The OSB will be sandwiched between plywood subfloor and Oak hardwood. Do you still think that could be an issue? That has been established. If you substitute the plywood for OSB, you do so at your own risk. Will your floor fail? Probably not. It MAY move a little more than it would of if you had used plywood. Posted: Sun Jul 29, am. You should be using plywood in your situation.

I realize there is a price differential but that justs part of the deal. While OSB is the most popular structural panel, CDX plywood is the most popular type of traditional or "veneer" plywood. CDX plywood is like other laminate plywoods, but the outer layers of laminate are grades "C" and "D," which means they are cosmetically rough and contain many imperfections, thus lowering their cost. Can you seal OSB? AFM Safe Seal adds water and moisture protection to a variety of surfaces and is virtually odorless on application and odorless once cured.

Is OSB cheaper than plywood? For a typical 2, sq. Can OSB subfloor get wet? Your framing lumber and the oriented strand board OSB are going to be fine. The glues used to make OSB are water-resistant because the manufacturers know that virtually no one can build a home that won't get wet before the roof and siding is applied. The OSB floors should be swept clean each day after work concludes.

Should subfloor be nailed or screwed? All rights reserved. Expert advice from Bob Vila, the most trusted name in home improvement, home remodeling, home repair, and DIY. Plywood vs. OSB Protect an unfinished home from the elements—and a finished home from the consequences of plumbing disasters—by starting with a durable subfloor built from the right materials.

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