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Old 07-15-2018, 04:30 PM
 
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There were some small cracks that formed early but nothing concerning. As framing went on, one stretched the entire length of the foundation to the sides and has gotten bigger l. I can also feel the difference with my fingertip.. is this something to be concerned with? Bad enough to hire someone to look?

It is a tensioned foundation but the tension has not been applied yet...

Pics:
https://imgur.com/a/MSt8FSy
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Old 07-16-2018, 10:39 AM
 
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I feel like you have to wait until everything is tensioned.
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Old 07-16-2018, 12:27 PM
Status: "GOP = Jobs Liberals = MOBS" (set 17 hours ago)
 
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When was the foundation poured? That looks pretty significant, if that was done recently in this Houston heat it looks like that wasn't kept cool/wet during curing. That slab should have been tensioned before any major construction took place, you don't want to place a load larger than some basic wall framing on green and/or untensioned concrete. I'd pull a red flag on that job right away if that house was mine.
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Old 07-16-2018, 12:31 PM
Status: "GOP = Jobs Liberals = MOBS" (set 17 hours ago)
 
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Quote:
Originally Posted by K LoLo View Post
I feel like you have to wait until everything is tensioned.
A standard 2K psi - 3K psi mix home foundation should be stressed within a week (7 days) of being poured, in the temps we're seeing right now that's cut down even more.
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Old 07-16-2018, 01:04 PM
 
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Quote:
Originally Posted by TheMoreYouKnow View Post
When was the foundation poured? That looks pretty significant, if that was done recently in this Houston heat it looks like that wasn't kept cool/wet during curing. That slab should have been tensioned before any major construction took place, you don't want to place a load larger than some basic wall framing on green and/or untensioned concrete. I'd pull a red flag on that job right away if that house was mine.
It was poured 17 days ago. It looks like they have prepared it for tensioning but have not yet. The house is completely framed at this point.

Should we ask to bring in an independent structural engineer at this point?
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Old 07-16-2018, 01:42 PM
Status: "GOP = Jobs Liberals = MOBS" (set 17 hours ago)
 
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Quote:
Originally Posted by tucker3444 View Post
It was poured 17 days ago. It looks like they have prepared it for tensioning but have not yet. The house is completely framed at this point.

Should we ask to bring in an independent structural engineer at this point?
I would certainly take things to the next level quickly, in this heat and with that type of load on the perimeter of the slab it should have been tensioned 2 weeks ago, at this point it'll do no good to tension it and could cause more trouble than leaving it alone. All concrete will crack over time no matter what you do but we're talking years down the road and hairline cracks. For you to have cracking like that after 17 days you've got a problem.

Your last 2 photos showing the side shot of the foundation are the most disturbing, I'd be very concerned about future foundation issues if it were mine. You shouldn't be seeing those size cracks running perpendicular to exterior walls at 17 days, there should be a considerable size perimeter footing (12" wide by 24" deep typically) containing rebar which would support that wall. Did you get any pictures of the foundation forming before they poured the slab? I'd love to see the site work right before they poured it.
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Old 07-17-2018, 12:34 PM
 
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Hire a Structural Engineer not just an independent inspector.
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Old 07-17-2018, 01:25 PM
Status: "GOP = Jobs Liberals = MOBS" (set 17 hours ago)
 
12,513 posts, read 6,889,058 times
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Quote:
Originally Posted by texasroots77 View Post
Hire a Structural Engineer not just an independent inspector.
Yep, and take/save as many photos as you can of the entire process.
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Old 07-19-2018, 12:01 AM
 
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Who is your builder?
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Old 07-20-2018, 06:55 AM
 
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Have the builder bring in their structural engineer. Hire your own structural engineer and compare findings. Hopefully the builder will pay for your structural engineer.

Hairline cracks are common and are of no structural concern. You need to verify it’s a hairline hydration crack from a licensed engineer who will put their stamp on the report.
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