
Crack Repair
Concrete Crack Repair in Reno, NV
Not all cracks matter, and not all cracks can be patched. Here is how they get diagnosed and what each type actually needs.
- Harmless
- Fine shrinkage cracks with no displacement
- Watch
- Cracks widening season to season
- Act now
- Any crack with vertical displacement or water intrusion
- Winter priority
- Sealing before water freezes inside the crack
Every concrete slab cracks somewhere — the useful question is whether a crack is cosmetic, active or structural. In Reno's freeze-thaw climate, an open crack matters more than the same crack would in a mild climate, because water gets in, freezes, expands and levers the crack wider every night it drops below freezing.
Crack repair is one part of broader concrete repair. If cracking is widespread with displacement, the honest conversation is repair versus replacement.
Crack types and treatment
| Crack type | What it looks like | Treatment |
|---|---|---|
| Shrinkage / hairline | Thin, random, no displacement | Seal to keep water out; monitor |
| Control joint crack | Straight, in the sawn joint | Working as designed; reseal joints |
| Settlement crack | Wider at one end, sides at different heights | Address the base, then repair or replace the section |
| Structural crack | Wide, continuous, often through the full slab | Section removal or replacement |
| Freeze-thaw spalling at a crack | Crumbling edges along the crack | Route, patch, seal — or replace if extensive |
How repairs are done
- 1Diagnose the cause. A patch over an unaddressed base problem is temporary by definition.
- 2Route and clean the crack to give the repair material a sound surface to bond to.
- 3Fill with the right material — flexible sealants for moving cracks, rigid repair mortars for stable ones.
- 4Reseal joints across the slab while the crew is on site, which is cheap insurance before winter.
- 5Accept the appearance limits. A repair will not vanish; matching weathered concrete color is not realistic.

Preventing cracks on new concrete
Proper base compaction, correct thickness, reinforcement suited to the loads, joints cut on time and at the right spacing, and cure protection — that combination is what keeps cracking to the joints where it belongs. The details are covered in the installation process.
Questions we get asked
Concrete Crack Repair in Reno, NV: common questions
Are hairline cracks in new concrete normal?
Fine shrinkage cracks are common and usually harmless as long as there is no displacement. Sealing them keeps water out, which matters in a freeze-thaw climate.
When is a crack serious?
When one side sits higher than the other, when it widens season to season, when water pumps out under load, or when it runs continuously through a structural element.
Will a crack repair be invisible?
No. A repair can be made sound and weather-tight, but the color and texture will differ from surrounding weathered concrete. Where appearance is the priority, replacing the section or resurfacing is the better option.
Where we do this work
Crews work throughout the Reno–Sparks area. Pick your community for local notes on soils, permitting and typical projects.
Free project estimates
Talk through your concrete project with someone who pours it
Describe the area, the condition of any existing concrete and how you want to use the space. You'll get straight answers on scope, sequencing and what drives the price.
Next step
Get a site-specific estimate
Concrete pricing depends on access, subgrade, thickness, reinforcement and finish, so real numbers come from looking at the site. Send the details or call (775) 324-5551.
- Walk-through of the area and existing concrete condition
- Scope, thickness, reinforcement and finish options in writing
- Clear explanation of what would change the price
- No pressure to decide on the spot