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Installing Plywood Underlayment over Plywood Subfloor

We are renovating an apartment and trying to install a 3/4'' solid hardwood floor in the living room. We pulled out the existing carpet along with a 5/8''particle board underlayment. Under that we ...
Kristiyan Georgiev's user avatar
3 votes
2 answers
4k views

Proper Orientation for Plywood Subfloor under 3/4" Hardwood

I recently purchased a house in New Jersey and the 2nd floor was filled with old carpet that we wanted to replace with hardwood flooring. I ripped up the carpet only to find particle board under all ...
Matt Cannon's user avatar
3 votes
2 answers
591 views

Does it make sense to put quality (=pricy) underlayment over 3/4" subfloor+1/2" extra plywood layer?

I have standard subfloor + 1/2" plywood on top, to correct for joists going different directions, so that all hardwood boards can be laid one direction for a clean look and avoid sagging where they ...
Marius's user avatar
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