sagging flat roof


  #1  
Old 08-16-08, 11:19 PM
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sagging flat roof

The master bedroom is covered by a flat roof. It has sagged over the years and now rests appr. 2" lower in the middle than the edges. The room is 18x19

Can I fix this?
 
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Old 08-17-08, 03:49 AM
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Sounds like the joist were undersized for the span. Short of putting a beam down the middle of the room, the only thing you can do is remove the roof and frame it right. If it is continually getting worse I would be concerned about it collapsing.
 
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Old 08-23-08, 11:56 PM
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Originally Posted by Bill62
Sounds like the joist were undersized for the span. Short of putting a beam down the middle of the room, the only thing you can do is remove the roof and frame it right. If it is continually getting worse I would be concerned about it collapsing.
Ok, if I put a beam or beams up to support it could I get rid of the 'sag' in the middle?

From what I can tell, it has sagged about 1 1/2" and is not sagging more.
 
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Old 08-29-08, 10:47 AM
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I cant speak for the structure or its soundness but i can tell you that there is tapered insulation that can be installed on the roof that would alleviate the ponding. More than likely it will require re roofing but probably be cheaper than rebuilding the structure.
 
 

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