Raising a concrete walkway

cheeseburgerJune 8, 2007

The concrete walkway leading to a step that leads to the front door has sunk about six inches making the step about 13 inches. Impossible for elderly. How can I raise it 6 inches?

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coolvt

I've used a heavy bar with a piece of wood to pry on. Dig around one edge and stick one end of the bar under the slab. Have some help and when it's raised up shovel fill under it. Then go to the other side and do the same. In about a year you will have to do it again because it will settle, but after that you might be okay for a while.
I've done this to the city sidewalk (4'x4') when they wanted to charge me to replace sections that had sunk.
If you can't find a bar, you can use an old piece of steel pipe...say something about 1 1/2 -2".

    Bookmark   June 8, 2007 at 9:25PM
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brickeyee

"...shovel fill under it."

Use pea gravel.

    Bookmark   June 9, 2007 at 10:14AM
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jason1083

What about a company that does mud jacking? Basically they drill a series of 3/4"-" holes in the concrete that has sunk and use special equipment to force a concrete slurry under the slab to lift it.

    Bookmark   June 9, 2007 at 12:05PM
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brickeyee

Mud jacking is not worth it for small enough sections to lift mechanically like a sidewalk or walkway.
It works well for a large patio slab or driveway sections.

    Bookmark   June 10, 2007 at 10:04AM
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