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-   -   OSB vs Plywood subfloor (http://www.buildinghomes.ca/community/forums/showthread.php?t=24211)

ottawabuyer 2018-03-24 12:38 AM

OSB vs Plywood subfloor
 
I know there are plenty of threads from 2010. But nothing from 2018. What are the thoughts on OSB vs Plywood for subfloors?

Halton Home Inspector 2018-03-24 07:29 AM

Here is a good article on the subject.

I prefer plywood but both have merits.

https://parr.com/blog/plywood-vs-osb-which-is-better

ottawabuyer 2018-03-24 08:51 AM

Quote:

Originally Posted by Halton Home Inspector (Post 331348)
Here is a good article on the subject.

I prefer plywood but both have merits.

https://parr.com/blog/plywood-vs-osb-which-is-better

Good article. It basically surmises everything that I have read so far.

My concern is that because our home is being built sometime after May (they start digging the lot in May), during the framing processes the osb sub floor would be exposed to lots of moisture... thus weakening the osb. Is this a valid concern or not?

Rottn 2018-03-24 01:26 PM

That's actually a good time of year to be doing the framing. The roof will be on by the summer and then everything gets a chance to dry out.

good2know 2018-03-24 04:10 PM

Quote:

Originally Posted by ottawabuyer (Post 331350)
Good article. It basically surmises everything that I have read so far.

My concern is that because our home is being built sometime after May (they start digging the lot in May), during the framing processes the osb sub floor would be exposed to lots of moisture... thus weakening the osb. Is this a valid concern or not?

The family has both options - it has made no difference afterwards or even during construction.

Before finish flooring high spots are ground off and low spots filled. OSB products have some water protection - wax on the surface and sealed end cuts.

Not a concern. If you want or need hardwood to run parallel to the joists, upgrade the thickness. This is also a good case for plywood - its less bendy than osb.

BartBandy 2018-03-26 10:22 AM

I feel the best reason is way down the road if you re-floor the home. The plywood will be in better shape after you pull the nails. For most, OSB is fine. We went plywood, but not sure it will ever be worth the extra cost. The builder will charge you way more than the extra cost of the material, because they can.


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