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Structural Inspections Contains discussions about the structural portion of a home inspection. This includes foundations, framing, etc.

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  #1  
Old 4/11/13, 5:59 PM
Mark Kodikan Mark Kodikan is offline
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Default Cracks in Poured Foundation

Hello,

I recently had a home inspection and these cracks were found in the foundation. Inspector said they are shrinkage and no big deal. I want to be 100% sure before purchase. Anyone have any thoughts?

Thanks





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  #2  
Old 4/11/13, 7:58 PM
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Marcel R. Cyr, CMI Marcel R. Cyr, CMI is offline
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Default Re: Cracks in Poured Foundation

Looks like it, but can't determine without the complete whole picture.
The whole picture is seen by the Home Inspector on site.

Why do you doubt your Home Inspector?
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  #3  
Old 4/11/13, 8:11 PM
Mark Kodikan Mark Kodikan is offline
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Default Re: Cracks in Poured Foundation

Its not that I doubt him, just looking for a 2nd opinion... Dont want to get burned later on.

Thanks
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  #4  
Old 4/11/13, 10:28 PM
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Cameron Anderson Cameron Anderson is offline
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Default Re: Cracks in Poured Foundation

Seal em and watch em. If significant movement occurs(1/8-1/4") rapidly then you can get concerned.



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  #5  
Old 4/11/13, 10:37 PM
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Default Re: Cracks in Poured Foundation

From what I see from the photos I would have to agree with your inspector, also what post #2 says.




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  #6  
Old 4/12/13, 3:51 AM
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Default Re: Cracks in Poured Foundation

Look to be a little wider than shrinkage cracks to my dumb az.

How old is duh home?

Are they in same-wall, 2 or 3 walls?

What city/area you in?

I'd have 'em waterproofed (outside!)
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  #7  
Old 4/12/13, 10:04 AM
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Jeffrey R. Pope, CMI Jeffrey R. Pope, CMI is offline
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Default Re: Cracks in Poured Foundation

I wouldn't call them "shrinkage," but more likely settlement. If the foundation is properly reinforced (which cannot be determined by a home inspection) there's really nothing to be concerned with.



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  #8  
Old 4/12/13, 2:07 PM
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Default Re: Cracks in Poured Foundation

Quote:
Originally Posted by jpope View Post
I wouldn't call them "shrinkage," but more likely settlement. If the foundation is properly reinforced (which cannot be determined by a home inspection) there's really nothing to be concerned with.
Agreed. I would seal them properly to keep moisture and insects out, and not give it much more thought. IF you really are concerned you can always have them evaluated by a qualified engineer. I personally wouldn't but it is your call.

Jim




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  #9  
Old 4/12/13, 2:24 PM
Timothy J. Smith, CMI Timothy J. Smith, CMI is offline
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Default Re: Cracks in Poured Foundation

There is only two sure things about concrete, It's Grey and it Cracks. Looks normal, Your on site home inspector would be your best point of reference. That is what he was there for.



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  #10  
Old 4/12/13, 5:43 PM
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Default Re: Cracks in Poured Foundation

Take a level to all four corners of the home (top of foundation and floor). If level good. Next take the level and walk horizontal down the walls to see if they are straight. If level good. Best way to do this however is with what's called a plumb bob. If your corners are not level footing may have dropped. If everything is straight/level seal the cracks to prevent moisture and monitor for movement until you see width (1/8-1/4") like said above. If the home is old most likely most of the settlement is close to being done. If the home is pretty new get a second opinion by a foundation contractor. If you're really worried call in a foundation guy with a laser level. Most will come out for free to give you an idea/bid. Some won't until you're already the owner. Did the inspector report any wall cracks inside or out? Also take a look at your roof is the ridge line nice and straight? Is the rest of the roof nice and staight. Sag/dip/humps/waving you need to have someone come out.

http://www.askthebuilder.com/house-f...ions-footings/



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Last edited by bboerner; 4/12/13 at 5:50 PM..
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  #11  
Old 4/13/13, 8:14 AM
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Waqar Quraishi Waqar Quraishi is offline
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Default Re: Cracks in Poured Foundation

Quote:
Originally Posted by john bubber View Post
Look to be a little wider than shrinkage cracks to my dumb az.

How old is duh home?

Are they in same-wall, 2 or 3 walls?

What city/area you in?

I'd have 'em waterproofed (outside!)
Worth repeating.

The answer to the above would be suited to minimize your concerns.
Good

questions John.




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  #12  
Old 4/13/13, 11:59 PM
Dan Bowers, CMI Dan Bowers, CMI is offline
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Default Re: Cracks in Poured Foundation

Nothing about your pictures look uncommon
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  #13  
Old 4/14/13, 2:05 AM
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Gary Farnsworth, CMI Gary Farnsworth, CMI is offline
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Default Re: Cracks in Poured Foundation

Typical. Seal'em, monitor them.



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  #14  
Old 4/14/13, 9:16 AM
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Waqar Quraishi Waqar Quraishi is offline
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Default Re: Cracks in Poured Foundation

This appears to be a vertical tension crack caused by local soil subsidence causing

downward displacement of exterior foundation. Read post #6 above.




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  #15  
Old 4/14/13, 11:07 AM
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Default Re: Cracks in Poured Foundation

Most of the vertical cracks we see is due-to lateral soil pressure against duh wall, as U S Army Corps says/shows here on page 35, photo 6....
http://www.amherst.ny.us/pdf/buildin...S_section3.pdf

'Lateral pressure causing vertical fracture.......'


Vertical crack in poured wall
http://picasaweb.google.com/10104903...30319512131138

Last edited by john bubber; 4/14/13 at 11:13 AM..
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