New Hardwoods - Do I need to replace my subfloor?

christenwFebruary 27, 2012

I apologize if this is a duplicate post...

I am looking into getting new hardwood floors. The issue I have is the subfloor. My house is 65 years old and the subfloor is tounge and groove planks run on an angle. The tounge and grooves have seperated and it is very squeaky all over.

One contractor has recommended tearing out the subfloor and installing new. The other contractor said that securing the old subfloor to the joists will solve my squeak issues.

Can anyone tell me which route is the correct route? Tear out and install a whole new subfloor or just re-securing the existing subfloor?

Thanks in advance!

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That all depends upon how much you want to spend. Can diagonally installed T&G subflooring be secured to eliminate most squeaks? Yes. Will it be forever squeak-free? Probably not. But, it is your least expensive option here.

Will a new subfloor guarantee that squeaks will not appear in it over time? No. Never.

BTW, most of the T&G separation we see with these plank subfloors is not due to shrinkage over time. Most of the T&Gs of these planks were never properly mated in the first place.

    Bookmark   February 27, 2012 at 10:17AM
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Thanks for the quick response. I was fearful that one contractor was just trying to get more work out of me. Sounds like that may be the case. Thanks!

    Bookmark   February 27, 2012 at 12:35PM
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Screw the old sub floor at every joist and lay the hardwood.

There is no reason to replace the sub-floor.

    Bookmark   February 27, 2012 at 8:31PM
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