sagging attic floor

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  #1  
Old 03-15-08, 07:19 AM
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sagging attic floor

my 1930 house uses 2x4's as the attic floor joists, 24" centers. The biggest area/room is 12'x12' and is sagging pretty bad. What would be the best way to raise it back up and level it out? Jack up the ceiling and sister 2x6 or 2x8's? Would i have to do every joist or just everyother or what? Another idea i had was to run a few 2x8's the opposite way of the joists, jack up the ceiling and strap everything together?

new to the site, any help or input would be great, thanks
-Ryan
 
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  #2  
Old 03-15-08, 08:54 AM
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12 X 12 isn't a very large span... that being the case, I would jack up the ceiling - and sister 2X6's along the existing joists... Keep in mind - your plaster/drywall is going to crack - nailheads will pop - and it's going to be a pretty good repair job before you're done. Not impossible - just a lot of detail work to do.
 
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Old 03-15-08, 11:05 AM
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yayyarjt, you wouldn't happen to be the partner to mmiller, would you?

http://forum.doityourself.com/showthread.php?t=338535
 
  #4  
Old 03-15-08, 01:41 PM
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nope i don't know mmiller, wish i did so that when he's done his project he can do mine for me...

most of the plaster is already cracked so replacing it was on the to-do list anyway...

thanks for the advice
-Ryan
 
  #5  
Old 03-19-08, 04:26 PM
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If you're actually going to replace the existing ceiling - then do so before working on the ceiling joists.. Makes access to the project much, much easier
 
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