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Cut Celing Joists and bowed exterior wall


barn63's Avatar
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12-10-13, 05:46 PM   #1  
Cut Celing Joists and bowed exterior wall

I was in the process of demolition for my upstairs project. My good friend went crazy with the saw and removed a good portion of the ceiling joists before I could install collar ties. Now the north wall on my house, around 30' wide, is bowed out at the top by about 1.5". The bottom seems fine. It is the only wall that moved. What is the best way to bring that wall top back in?

Currently each roof joist has a collar tie. (installed after wall moved)

My original idea was to attach several come alongs to support the wall, remove the added collar ties, pull the wall in, and re install the collar ties and ceiling joists. But that may be 100 percent incorrect. Any suggestions?

My search didn't return what I was looking for.

Thank you.

 
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12-10-13, 08:04 PM   #2  
A come along or two would be the simplest way of doing it, and would probably give you the best control. I would definitely have them hooked up before you remove the collar ties so that nothing can move farther apart.

 
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12-11-13, 06:11 AM   #3  
How many come alongs do you think would work best?

 
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12-11-13, 06:30 AM   #4  
Hard to say. But probably not just one. Using two would allow you to work from each end of the house to slowly pull things together. 3 would be even better, so that you could keep tension on the one in the middle while you work from each end toward the center. Don't expect to just put one come along in the middle of the wall and pull it straight all at once. You will likely need to use string lines on each side to ensure you are getting things straight. It's likely that the roof ridge has dipped (causing the walls to spread), so it's possible that if the walls won't come together, you may need to jack up the ridge/rafter connection at the same time. Keep an eye on any structural separation that might occur near the ridge.

 
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12-11-13, 11:49 AM   #5  
The most it has moved is obviously the middle of the wall. Its 1.5" out from where it needs to be. Do you think that the ridge will need to be lifted if I am only going that far?

 
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12-11-13, 01:41 PM   #6  
No way to tell. I only mentioned it so that you know it is a possibility. Gravity makes things sag easily, but it fights against you when you want to make them straight again. It's very possible that it will go right back up when you tighten up the come alongs.

 
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03-07-14, 09:11 AM   #7  
Just as a follow up. I used ratchet straps and slowly pulled the wall back in. I have it back at level now and secured.

 
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