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Old 04-10-2013, 07:54 PM   #31
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Foundation crack


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Originally Posted by jagans
I would not do anything about that crack except to maybe grind it out a little and gun concrete colored Urethane sealant like Sika NP-1 into the groove. Your so called inspector and contractor are over reacting like nothing I have ever seen before.

As far as the bolts go, I dont know who designed your deck, but you have too many bolts, with flat washers that are too small. You should be through bolting to the foundation, and I would use 5/8 Hot Dipped Bolts with 2 inch thick washers.

Didn't the inspector comment on the bolts? Your plan showed these bolts, and it passed? Just wondered.
Bolts are 1/2" spaced every 4" and are galvanized. Not sure what you mean but that is 100% to code. Ill just keep an eye on the cracks for now.

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Old 04-10-2013, 09:21 PM   #32
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Bolts are 1/2" spaced every 4" and are galvanized. Not sure what you mean but that is 100% to code. Ill just keep an eye on the cracks for now.
Man that is a lot of bolts. I put 5/8 bolts 12 inches on center through a 2 x 10 to get 100lb /sq ft. live load on the last deck I built. That was engineered by my structural engineer. What code asks for 1/2 inch, 4 inches on center? Thanks if you can post a reference.

Big difference between Hot Dipped and electroplated bolts from a corrosion standpoint, FYI
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Old 04-10-2013, 10:04 PM   #33
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There is another smaller crack on the side of my house that has probably been there but I never noticed before. Under the house on the sides there are extra concrete columns in front of the foundation that support the the beams that run across the entire underside of the house. The crack is right beside the middle column. It doesn't appear that that foundation wall supports much weight so I'm thinking this isn't much to worry about.

That sounds like it's a pilaster, and depending on how it was built, it could just be a cold/keyed joint at that location.......

Should I add the extra support for the original crack though? If its just a shrinkage crack would it be safe to just patch the crack with concrete or mortar and be done with it?
Impossible to advise you without knowing if the wall has had any movement. From the advise you received from the contractor that actually was on site and put his eye's on it, it sounds to me like the foundation has some movement. Tony g. seems to think it's just a common crack, but then again, I doubt he's seen it, as I believe he lives in Europe...........
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Old 04-11-2013, 12:46 PM   #34
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I believe he lives in Europe...........
you kill me.......
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Old 04-11-2013, 12:57 PM   #35
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Well, it can't hurt to add some concrete block pillars and some 2x8s bolted together under a few of the joists around that crack. Ill just do that on some 2' deep footers and be done with it. I have everything except the concrete so it should be a cheap fix.
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Old 06-07-2013, 01:50 PM   #36
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Here's an update on this. I had JES send out an engineer because they do free inspections and estimates. He came out today and looked at both cracks. He also went underneath and checked it all out and used a laser level and said the entire thing was level and that it just tried to settle on that corner between the cracks. He told me he could build a pillar on that corner for thousands of dollars (he told me the amount but I don't remember, very expensive though) but that would just be proactive. He was not concerned about it and just told me to keep an eye on it, especially if we have a bad drout because it would be more likely to move then.

I told him what the contractor said I should do with the 2 stacks of blocks on footers with 2x8s supporting a few joists and he said that guy was full of **** (exact words) and that the weak spot was that corner so putting support there was pointless. JES also does the crawl space liner stuff and he told me it would probably be about $7500 for that. I asked if I should put down the moisture barrier plastic down that is folded up under the house and he said it was also a waste of time and money being that my crawl space was so tall and I had no standing water or anything under there. He explained why its good for normal crawl spaces.

Basically I do not have to worry about it unless the cracks get wider which he doesn't seem to think will happen. I expected him to insist on me paying for something but he did the opposite and made me feel a lot better about my house. To think I almost paid $200 for the pointless "fix" suggested by a contractor.
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Old 06-07-2013, 02:32 PM   #37
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Foundation crack


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Here's an update on this. I had JES send out an engineer because they do free inspections and estimates. He came out today and looked at both cracks. He also went underneath and checked it all out and used a laser level and said the entire thing was level and that it just tried to settle on that corner between the cracks. He told me he could build a pillar on that corner for thousands of dollars (he told me the amount but I don't remember, very expensive though) but that would just be proactive. He was not concerned about it and just told me to keep an eye on it, especially if we have a bad drout because it would be more likely to move then.

I told him what the contractor said I should do with the 2 stacks of blocks on footers with 2x8s supporting a few joists and he said that guy was full of **** (exact words) and that the weak spot was that corner so putting support there was pointless. JES also does the crawl space liner stuff and he told me it would probably be about $7500 for that. I asked if I should put down the moisture barrier plastic down that is folded up under the house and he said it was also a waste of time and money being that my crawl space was so tall and I had no standing water or anything under there. He explained why its good for normal crawl spaces.

Basically I do not have to worry about it unless the cracks get wider which he doesn't seem to think will happen. I expected him to insist on me paying for something but he did the opposite and made me feel a lot better about my house. To think I almost paid $200 for the pointless "fix" suggested by a contractor.
Thats what I said in post 30. Send me the 200 bucks Oh, you can take off 10 bucks for a couple tubes of urethane sealant.
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Old 06-09-2013, 09:44 PM   #38
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Foundation crack


Foundations are rigid and tend to crack over time. Minor cracks, though unsightly, are not normally cause for alarm. Major cracks, on the other hand, indicate substantial movement and can undermine the homeís structural integrity. Therefore, you canít just ignore cracks in a foundation or concrete slab. Filling in these cracks and stopping them from spreading is essential to preventing serious structural issues in your home.
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Old 06-10-2013, 11:45 AM   #39
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I was stressing about the 2 cracks I had for a while but feel a lot better knowing that its all level. Just have to keep my eye on the crack now. He said the crack would get wider at the top if the house was moving. I was going to patch it up but I think I'll leave it alone just so I can tell its staying the same.
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Old 06-11-2013, 10:55 PM   #40
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stress - stress - stress,,, relax, your very fine home's not about to fall down we see those crks fairly often,,, cause is usually due to the footer settling,,, even tho its steel reinforced, IF the soil's soft under it ( i know of no bldr who runs a plate compactor thru the footer space ), the home's weight will eventually cause it co compress further,,, IF you want to keep an eye on it AND have some measurements, patch it in 3 or 4 places w/plaster of paris,,, when the patches crk, you'll know AND have a measurement.

mort's got a good point,,, wtf EVER trucks OFF excavated soil & brings in NEW stuff any good engineer will always try to balance cuts & fills just because of economics - even highways !

the usual repair's an ' underpinning ',,, excavating under the footer 2x the soil-bearing area & placing steel-reinforced 3,500psi conc.

ps - because the crk doesn't follow the mortar, its a stronger crk - has to be in order to split the conc blocks,,, otherwise it would've ' step cracked ' ( followed the mortar joint ) sounds as if more than a few are full of ****

ps - the crk will get wider at the btm,,, think about it & you'll agree

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