sunken driveway

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Old 07-08-07, 09:52 AM
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sunken driveway

my concrete driveway has apparently sunk, leaving about a 1" step up to the garage (there is also a 1" gap between the driveway and garage slab). I'm selling the house, and the inspection requires it to be fixed as it was deemed a "trip hazard". are there any options of some sort of filler to smooth the transition?
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Old 07-08-07, 10:06 AM
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sunken driveway

Call a contractor that does "mudjacking" or "slab raising".

It is an older process where holes are drilled and a concrete "mud" is pumped in to raise the concrete and provide support. The holes are them patched wirh a sand/cement mixture.

Dick
 
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Old 07-08-07, 11:39 AM
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Are you sure it sunk? Most driveways are poured a bit lower than the garage floor to create a "weather lip". Its purpose is to keep wind and water out in the event of a driving rainstorm. If it's truly only an inch tall, it may be intentional. If more than an inch, maybe it did sink. If so, Dick's slabjacking solution is the ticket.
As to the open joint, it can be filled with foam backer rod and caulk. Good luck.

Pecos
 
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Old 07-09-07, 06:42 AM
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thanks for the responses

I'm not sure if it has sunk, or if intentional. Either way, i'm now required to fix the "trip hazard". I was hoping for a simpler solution, like a concrete patching material that i could use to taper the garage slab down to the driveway.

i'm assuming the mud jacking is a bit costly and to me this seems a rather trivial thing.

Thanks again
 
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Old 07-09-07, 07:12 AM
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Hi:
If you're looking for a simpler solution, below:
---- "like a concrete patching material that i could use to taper the garage slab down to the driveway."

There are few, very good concrete patches you can find at Lowe's or Home Depot. It's made of 'vinyl,' or 'some very resilient' for this purpose. I can not recall an exact brand nor name, but it's quite expensive. About $6 - 7 for one tube/application. For us, we needed about ten, $60 - 70 for all to fill in. It's well worth in comparison to headaches you need to go through.

Because, in the past, I had a similar issue, not garage, but driveway in which there are several 'gaps' needed to fill in. After several trials and errors with cheaper concrete patches, this concrete patch did the excellent job. Now, after three years on, it's staying strong as if we did just yesterday, ... no crack, no peeling and crevices to see except getting more grayish that goes with the existing driveway.

One thing about which you need to be cautious is that this concrete patches are slippery at the beginning of its application. Except that, we're all happy about its result. We/I can highly recommend anyone who has similar issues.
 
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