5/8” subfloor with insulation or 3/4” subfloor and no additional insulation

Hi, I’m currently trying to make a decision about my subfloor that is getting replaced. I would like to know if I should get a 5/8 inch subfloor with insulation or replace it with 3/4 of an inch subfloor and no insulation because that will provide sound relief. Also, the insulation is only for noise so any thoughts would be appreciated.

Posted Jul 9, 2025, 2:17 AM UTC

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