sagging/slanted floor

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Old 12-27-15, 06:32 AM
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sagging/slanted floor

Hi All,
We have a slight slant in our floor that goes toward an interior wall. The problem is my husband can't find/see anything wrong in the crawl space below. There are furnace ducts in the way. So my question is, what type of expert do we call to check this for us? We are planning to replace the flooring in this area.
Thanks!
 
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Old 12-27-15, 06:45 AM
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If there is no access, no one is going to be able to see it. Normally, any carpenter should be able to find the problem.
 
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Old 12-27-15, 08:22 AM
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If you are going to replace the flooring it's a good time to address the floor. It sounds dramatic but it's actually quite easy to rip up the floor or cut access holes to the crawl space. In the end it can often be cheaper than trying to work from the underside since the work can proceed so much faster.

How old is your house? What is the foundation like (cement blocks, stones mortared together, stones dry stacked...)?
 
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Old 12-27-15, 08:48 AM
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Another type of foundation is pier blocks. You would have the outside perimeter foundation, the interior walls will rest on pier blocks only. These are prone to settling over time.

If DIY is not the route you want to take, check for house jacking contractors in your area.
 
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Old 12-27-15, 04:03 PM
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Sounds like it could be an interior wall that has a lot of weight on it... possibly the wall is parallel to the joists and is setting only on the subfloor between joists. So the wall could be dipping. But it's just a guess. Who is going to be doing the floor demo? Or is the floor not getting torn up?
 
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Old 12-27-15, 04:30 PM
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How old is the house?
As mentioned, most common cause, improper footings and there sinking.
Older home's it can be many things, fungus, insect infestation, under sized joist, cracked joist, Ect.
Hard to suggest just who to call on this one.
Anyone that does new constrution in most cases would have no clue.
All I did for more then 15 years is work on 100 plus year old houses and saw this sort of thing every day.
 
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