
Concrete repair and leveling in Boulder
Not every cracked or sunken slab needs replacing. Many can be repaired, resurfaced or lifted back into place for a fraction of the cost of new concrete.
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What goes into the quote
- How wide and deep the cracks are
- Whether the slab has sunk, heaved or is crumbling
- Lifting (mudjacking or foam) versus patching or resurfacing
- The area involved
How long: Most repairs and lifting jobs take a few hours to a day.
Rough ranges for guidance, not quotes. Your contractor's quote is what counts.
Get a real quoteGood to know in Boulder
Boulder sees strong chinook winds, spring hail and quick swings between warm days and freezing nights.
Freeze-thaw cycles and spring hail are the main enemies of concrete in Boulder. Air-entrained concrete, good drainage and a sealer help it last.
Anything in the public right-of-way, like a driveway approach or the sidewalk, needs City of Boulder approval. A good contractor will handle the permit.
Common questions
Repair or replace?
Hairline cracks and sunken sections are usually repairable. Wide cracks, heaving from roots or a crumbling surface usually mean replacement.
Why does concrete crack in winter?
Water gets into small cracks, freezes and expands. De-icing salt makes surface flaking worse. Sealing helps.
How long before I can drive on a new driveway?
Usually about a week for a car, longer for anything heavy. Your contractor will tell you for your mix and the weather.

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