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RE: Plywood Floor Sheathing Span

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Title: RE: Plywood Floor Sheathing Span

I think closer joist spacings would be better.

We typically use 3/4" for custom homes (or 5/8" for track homes) with 16" joist spacings.  We never used 2 foot centers for floor joists, just roof trusses.

-----Original Message-----
From: richard lewis [mailto:rlewistx(--nospam--at)]
Sent: Monday, February 03, 2003 3:45 PM
To: seaint(--nospam--at)
Subject: Plywood Floor Sheathing Span

I have a question concerning using 3/4" plywood sheathing for flooring.
It is a residential application.  I know the span table show the plywood can span up to 24" support centers but my question is the stiffness of the floor.  Does is still feel like a stiff diaphragm when you stand on it or jump on it?  Or would a thicker plywood sheathing be more appropriate?



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