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11-06-2011, 01:43 PM | #1 |
Only looks like a disaster tourist
Join Date: Feb 2007
Location: above 7,000 feet
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Mudjacking!
Our basement floor has dropped almost 2 inches in one corner. I didn't realize how bad it was until I took out our hot tub last year. The house is built into a hillside and the part that has dropped is above grade (it's a walk-out basement).
I'm considering mudjacking (concrete raising) and am looking for any experience or opinions that others might have on the subject. |
11-06-2011, 01:53 PM | #2 |
Read? I only know how to write.
Join Date: Jan 2001
Posts: 11,933
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It sounds like you have a problem too common with lesser builders. Part of the foundation is either on fill. Or not deep enough below the frost line. Obviously you must raise that part of the house. I don't see where you have also mentioned binding windows, skewed doors, or foundation cracks. But the ultimate solution is to build a foundation under the house that is down to virgin earth and below the frost line.
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11-06-2011, 02:04 PM | #3 |
Radical Centrist
Join Date: Jan 2001
Location: Cottage of Prussia
Posts: 31,423
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It sounds like fun but isn't there a chance of infection or something? Just go with a clean water-soluble lube.
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11-06-2011, 02:12 PM | #4 | |
Only looks like a disaster tourist
Join Date: Feb 2007
Location: above 7,000 feet
Posts: 7,208
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I think that most of the settling occurred in the first few years after the house was built (~1983). We didn't move in until 1998. There is evidence of cracks in some of the walls, and separation of the bath tubs from the tiles.
You're right - the house is not very well constructed. There's a lot of evidence of that. We're slowly trying to improve it, and there's still a lot to be done. I believe that problems are partly due to expansive soils: Quote:
I need to do a visual inspection of the exterior foundation, but much of it is currently under snow. |
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11-06-2011, 02:41 PM | #5 |
Read? I only know how to write.
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Posts: 11,933
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11-07-2011, 08:06 PM | #6 |
still says videotape
Join Date: Feb 2001
Posts: 26,813
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I wonder if we're blending terminology a little sloppily here. Soil usually refers to the upper layer of earth which is full of organic matter and is unsuitable for construction. I would tend to agree with tw though that they probably built on fill rather than virgin subsoil. I wonder if there are other things to consider, like improperly installed drains and whether the footer is below the frost-line? I don't know anything about mudjacking, keep us posted.
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11-07-2011, 10:49 PM | #7 |
Only looks like a disaster tourist
Join Date: Feb 2007
Location: above 7,000 feet
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Here's a brief description of what I'm talking about:
http://geology.com/articles/expansive-soil.shtml |
11-08-2011, 05:32 AM | #8 |
still says videotape
Join Date: Feb 2001
Posts: 26,813
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Soil does expand, but if you backfill with the proper material the "expansive soil" is isolated from the outer walls of the house. ymmv as I'm strictly an amateur and this is the innertubes.
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If you would only recognize that life is hard, things would be so much easier for you. - Louis D. Brandeis |
11-08-2011, 06:19 AM | #9 |
Doctor Wtf
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Location: Badelaide, Baustralia
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We don't have much frost, but most of Adelaide is built on Clay. In my current rental I can watch cracks open and close a few millimeters with the dry and wet times. It is only really noticeable where it had got a bit wide and the landlord had it filled and painted. Then we had good rains for a year or so and the crack has tried to close up, causing a mini-mountain range to pop out of the wall.
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11-08-2011, 09:01 AM | #10 | |
Only looks like a disaster tourist
Join Date: Feb 2007
Location: above 7,000 feet
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Quote:
If we do the mudjacking and get everything level, I wonder if this will lead to problems like Dr. Gum mentioned. |
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11-08-2011, 11:58 AM | #11 | |
The Un-Tuckian
Join Date: Apr 2007
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Quote:
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12-22-2016, 05:31 AM | #12 |
Person Who Has Posted
Join Date: Dec 2016
Location: Toronto, ON
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I also agree with Griff.
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12-22-2016, 06:47 AM | #13 |
Encroaching on your decrees
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Do you now, spencer? Nice to meet you, but this is kinda an old thread to dig up? What are your plans for the holiday season?
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Living it up on the edge ... of civilisation, within the southwest coast of |
12-22-2016, 08:36 AM | #14 |
UNDER CONDITIONAL MITIGATION
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I went to school with a Jennifer Moseley.
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12-22-2016, 10:00 AM | #15 |
I hear them call the tide
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We lived in Moseley
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