Replace T*G subfloor in bathroom

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  #1  
Old 03-10-09, 12:52 PM
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Location: Austin, TX
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Replace T*G subfloor in bathroom

Hi All - In the process of redoing my bathroom, I had to pull up the subflooring (2nd floor) in order to get to the drains/supplies so I could re-run them.

Here is a picture:


I need to figure out how to get the curved areas cut back far enough so I can lay a new 2x4 joist and nail to the existing one that is under the wall for support... will that be enough support for the edge of a floor? I am also wondering how I am going to get the new plywood into the existing tongue and groove subfloor. Is it alright if I cut the plywood slightly smaller than the opening and then just put the backer board and mortar I will be using before tiling over it?

Please let me know if this doesn't make full sense. I tried taking pictures but they dont turn out too well.
 

Last edited by Shadeladie; 03-10-09 at 01:37 PM. Reason: Remove link
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Old 04-13-09, 10:43 AM
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In case anyone else has to do this in the future - I did end up cutting the plywood slightly smaller than the opening and nailed it down to the joists... seems to be working fine. No squeaking and no structural problems I can see.
 
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