Subfloor squeaking - nails or screws?

Old 02-22-24, 03:14 PM
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Subfloor squeaking - nails or screws?

I am renovating my kitchen in a 1950 home. I will be putting 3/4" plywood over the original 12"x3/4" plank subfloor. Hardwood will go on top of that. Would it be better to put screws or nails into the old subfloor (to the joists) where it squeaks? I have a nail gun so obviously that would be faster.

Also, should I nail/screw the plywood to the old subfloor only or through the joists? I've read a lot of conflicting info on that.

Old 02-22-24, 04:41 PM
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Screw the current layer to the joists with deck screws. Then screw the new layer to the existing subfloor intentionally missing the joists. Deck screws again but might be able to use shorter ones this time. (Drywall screws are too brittle for this job)

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