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07-30-2009, 04:51 PM
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#1
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Contractor
Trade:
Remodeling & Home Additions
Join Date: Sep 2006
Location: Delaware
Posts: 1,354
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correcting 'falling' porch slab
You've seen it many times I'm sure, a slab poured next to the house which wasn't supported on the foundation wall or pinned on the house side of the slab-the soil settles and the slab tilts in toward the house.
I'm looking at fixing one on a 16yr old home which has settled almost 2" next to the house (covered porch over), 0" on the furthest part of the slab since it was built on a proper foundation stem wall. The slab looks as if it were poured against the plywood rim joist, which is showing signs of rot.
Has anyone installed a new 'cap' on a situation such as this?
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07-30-2009, 04:54 PM
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#2
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Sean
Trade:
General Contractor
Join Date: Sep 2008
Location: Cullman, AL
Posts: 3,419
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How about mud jacking instead?
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07-30-2009, 07:04 PM
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#3
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Pro
Trade:
custom home building
Join Date: Dec 2007
Location: Central Iowa
Posts: 1,096
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Hey Chevy,
I found a mechanic to change my tdi timing belt for $250. He is a dealership mechanic and I'm going with a 100,000 mile timing belt.
What do you mean by a "cap"? Do you mean just pouring over the existing sunk sidewalk?
What is width of the slab (sidewalk)?
Sounds like the water is draining towards the rim joist and this won't be good.
I would try to talk them into simply removing the slab. I don't believe in pouring concrete next to a foundation.
If it must remain, I guess you could remove it and replace it for $5/square foot. Any chance to keep it out 2' from the foundation and put some plantings in there? It would be a good idea to keep it away from where the excavated area was.
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07-30-2009, 07:32 PM
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#4
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Contractor
Trade:
Remodeling & Home Additions
Join Date: Sep 2006
Location: Delaware
Posts: 1,354
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it's about 6' wide, it's a covered porch intregral to the house design that leads to the front door. There is a Quickcrete product for going overtop concrete-only good to I think 1-2". That and a bonding agent, thought may be an appropriate low budget fix.
great price on the belt. I was driving the TDI today-nice and peppy and the mileage aint bad either :-) Mine has 303k on the clock!
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07-30-2009, 07:36 PM
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#5
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PHB CONSTRUCTION LLC
Trade:
Remodeling Contractor
Join Date: Feb 2009
Location: Grand Rapids, MI.
Posts: 529
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Quote:
Originally Posted by SLSTech
How about mud jacking instead?
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Got a lot of porches like you describe around here. I'd mud jack it. 
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07-30-2009, 07:48 PM
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#6
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Pro
Trade:
Sure, what you got?
Join Date: Jan 2008
Location: Auburn Indiana
Posts: 3,893
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Quote:
Originally Posted by paulie
Got a lot of porches like you describe around here. I'd mud jack it. |
Going to have to agree again.
I thought they built them like that, huh. 
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07-30-2009, 08:01 PM
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#7
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hurtlocker
Trade:
homebuilder remodeler carpenter
Join Date: Jan 2009
Location: minnesota
Posts: 118
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sand jacking
but before you do it if the concrete is up to and on the wood
get seperation slide in some flashing cut off couple inches something
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07-30-2009, 08:35 PM
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#8
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Contractor
Trade:
Remodeling & Home Additions
Join Date: Sep 2006
Location: Delaware
Posts: 1,354
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I found an informative video
I'll look into concrete guys who mud jack-thanks guys!
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07-30-2009, 11:45 PM
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#9
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Pro
Trade:
Custom Home Remodeling 30+ yrs
Join Date: Jun 2009
Posts: 357
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Quote:
Originally Posted by 72chevy4x4
You've seen it many times I'm sure, a slab poured next to the house which wasn't supported on the foundation wall or pinned on the house side of the slab-the soil settles and the slab tilts in toward the house.
I'm looking at fixing one on a 16yr old home which has settled almost 2" next to the house (covered porch over), 0" on the furthest part of the slab since it was built on a proper foundation stem wall. The slab looks as if it were poured against the plywood rim joist, which is showing signs of rot.
Has anyone installed a new 'cap' on a situation such as this?
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My Father-In-Law had a back sagging set of 5 steps. the very front is a step on top of the sidewalk and the back settled about 4" I crawled in behind it dug a trench in the middle to stand a 6 ton bottle jack on a 4x6 and jacked it up 5" and with a 2x4 shoved dirt underneath packing it as much as possible and let the jack back down and told him he was good for the next 5 to 10 years!.
He was Happy, I was Happy it was a Happy Day!
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07-31-2009, 12:01 AM
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#10
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Pro
Trade:
Custom Home Remodeling 30+ yrs
Join Date: Jun 2009
Posts: 357
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Cool!
Does anyone here do MudJacking?
I'm curious about how much pressure is going through the grout hose since they are simply holding it down with their knee.
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07-31-2009, 12:13 AM
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#11
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Pro
Trade:
Custom Home Remodeling 30+ yrs
Join Date: Jun 2009
Posts: 357
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Found the info...
0-10 GPM
12 cfm @ 90 PSI
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07-31-2009, 03:34 PM
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#12
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PHB CONSTRUCTION LLC
Trade:
Remodeling Contractor
Join Date: Feb 2009
Location: Grand Rapids, MI.
Posts: 529
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Wheres here?
It always strikes me that something that's common in one local is "never heard of" elsewhere. I've subbed out mud jacking many times, a quick cure to a big problem.
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07-31-2009, 06:20 PM
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#13
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Curmudgeon
Trade:
carpentry/remodeling/"Yes M'am we do"
Join Date: Apr 2006
Location: Beech Grove, Indiana, Birthplace of the "King of Cool"
Posts: 10,151
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Grout jacking is well and good,
but it begs the question.....
What about this?
Quote:
Originally Posted by 72chevy4x4
......... The slab looks as if it were poured against the plywood rim joist, which is showing signs of rot. .....
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__________________
Put your location in your profile!
(Sorry....it seems there really are dumb questions)
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07-31-2009, 07:09 PM
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#14
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Yard Boi
Trade:
Landscaping
Join Date: May 2009
Location: Genesee, ID
Posts: 846
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Demo it, install a paver patio built to ICPI standards, add value and beauty to the property.
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08-02-2009, 11:44 AM
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#15
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A.A.O.N.M.S.
Trade:
Commercial Handyman Services and Entrepreneur
Join Date: Mar 2005
Location: Jefferson City, MO
Posts: 900
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Quote:
Originally Posted by MZ-HANDYMAN
My Father-In-Law had a back sagging set of 5 steps. the very front is a step on top of the sidewalk and the back settled about 4" I crawled in behind it dug a trench in the middle to stand a 6 ton bottle jack on a 4x6 and jacked it up 5" and with a 2x4 shoved dirt underneath packing it as much as possible and let the jack back down and told him he was good for the next 5 to 10 years!.
He was Happy, I was Happy it was a Happy Day!
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I have done this with sidewalks as well. It worked out great
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08-02-2009, 08:44 PM
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#16
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Pro
Trade:
carpenter/ handyman
Join Date: Dec 2007
Location: Conroe, TX
Posts: 733
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Now THAT is too cool! 
Steve
Quote:
Originally Posted by 72chevy4x4
I found an informative video
I'll look into concrete guys who mud jack-thanks guys! |
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08-03-2009, 05:53 AM
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#17
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Dufus Extrodinaire
Trade:
Residential Renovations
Join Date: Jan 2009
Location: Ontario, Canada
Posts: 151
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Cool - anyone have an idea what one of the smaller units cost?
__________________
If I had one I would share it
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