Slab lifts against the house
Our five inch lift, one of the largest single drops we have documented, was a Loveland job.
Traditional mudjacking in Northern Colorado since 2003 · 20,000+ slabs lifted
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Service areas / Loveland
Our home base. CrackerJack is based in Loveland, and the majority of the project photography on this website is work we did here.
We are a Loveland company, so this is the ground we know best. Nearly every before and after photo on this site was taken at a Loveland property.
The Big Thompson runs through town, and the soil along the river corridor is sandier and more freely drained than the clay further out. That sounds like an advantage and is not: water moving through loose material carries fine soil with it, and the base under a slab thins out until the concrete is spanning a gap. A lot of what we lift here is washout rather than clay movement.
Away from the river the ground turns to expansive clay, which swells and shrinks with moisture and takes whatever is poured on top of it along for the ride. Between the two you get a town where slabs move for two entirely different reasons a mile apart.
Irrigation is the third factor. Between ditch systems, lawn watering and older sprinkler lines that have started leaking, there is a lot of water moving through the ground in Loveland, and water is what moves soil out from under concrete.
The slabs we are called out to most often in Larimer County.
Our five inch lift, one of the largest single drops we have documented, was a Loveland job.
Extremely common on properties where backfill against the house has settled.
Washed out base beneath paver walks and patios, then the pavers reset on restored ground.
Step slabs separating from the walk, leaving an uneven rise at the bottom.
Porch concrete dropping away and leaving a post out of contact with its beam.
The standard lip at the garage door, plus panel offsets across the drive.
Every service below is available across Loveland and the surrounding area.
Driveway leveling
Sunken panels and the lip at the garage.
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Sidewalk leveling
Offset panels and trip hazards.
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Patio, porch and steps
Slabs draining back toward the house.
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Garage and interior floors
Interior slabs and gaps at the wall.
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Void filling
Support a slab before it drops.
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Commercial lifting
Loading areas and shop floors.
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Every photo is our own job. Our documented project photography is concentrated in Loveland, and we are adding photographed work from each city as we complete it.

Before: a five inch drop measured at the siding.

After: the slab back at grade and closed to the wall.

Before: pavers dropped away with an open void.

After: base restored and pavers reset level.

A patio back tight to the foundation.

Front steps and walk restored to an even rise.

We come out to Loveland properties at no charge, look at the concrete, and tell you whether it can be lifted.
Part of that visit is working out why it moved. Downspouts, irrigation, grade and drainage all get checked, because if the cause is still active a lift will not hold and you deserve to know that before you spend anything.
If the concrete is too far gone to save, we will say so. We would rather lose the job than sell you a repair that fails.
Twenty three years lifting Northern Colorado concrete, and more than 20,000 slabs completed.
Most of it can. Get a free estimate and a straight answer about what your slab needs.