Hemet, CA · California license 1137822 · C-8 Concrete(951) 533-8821
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Crew hand-screeding a fresh residential slab
Residential

Concrete Slab Repair

A slab that is structurally sound and only failing at the surface is a repair, not a replacement. Chase the cracks, patch the spalls, grind the lips, and resurface if the damage stays in the top.

Hemet, CA  ·  (951) 533-8821  ·  License 1137822

Talk to us about the job
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Sequence

How the job runs

Step 1

Site first

We come look. Drainage, soil, slope, access, and the condition of whatever is there now.

Step 2

No overselling

Straight scope. A sound slab gets repaired, not replaced, and we will say so.

Step 3

Ground preparation

Excavate to grade, remove what will not hold, compact base in lifts.

Step 4

The pour

Forms braced for the pressure, steel placed and tied, concrete consolidated and finished on time.

Specifics

What this job actually needs

What decides the price

Access, thickness, the state of the base, how much demolition there is, and the finish. Square footage is the least interesting number. That is why somebody comes out and stands on the job rather than quoting off a photograph.

Base preparation

Cut to grade, find and fix the soft spots, place base in controlled lifts and compact it. Almost every residential slab failure we are called to look at started here rather than in the concrete.

Reinforcement and joints

Steel lifted into the upper part of the slab where tension happens, and control joints spaced to the thickness and cut early enough to work. Those two decisions are why some slabs look fine at twenty years and others are a map of cracks at five.

Curing in inland heat

Low humidity, wind and triple digit afternoons pull water out of a fresh slab faster than the concrete can use it. Curing is an active step here, not something that just happens, and it decides the strength of the surface.

What decides whether it lasts

Concrete is judged on the surface and it fails from underneath. The base, the steel, the joints and the cure are the whole job. A slab that was poured on bad ground will tell you so, usually in the third or fourth year.

Why fourth generation matters here

32 years on the tools means most of these problems have already been seen once. Reading a slab before quoting it is the part you cannot learn from a book, and it is the difference between a repair that holds and one that comes back.

Local conditions

What Southern California ground does to concrete slab repair

Irrigation against the slab

Almost every valley property waters something, and sprinklers running along a slab edge keep the base saturated year round. In expansive soil that is a slow way to undermine your own driveway. Where the water lands is worth looking at before blaming the concrete.

Older flatwork around here

A lot of valley concrete was poured thin, with light reinforcement, on a base that was never properly compacted. When it fails it is usually reporting on the ground rather than on the mix, and that is the difference between a repair that holds and one that comes back in a year.

What the ground does here

The inland valleys run on expansive clay. It takes on water and swells, then dries out and shrinks, and it does that cycle every year. A slab poured on untreated clay rides that movement until something gives, which is why base preparation and reinforcement are the design rather than an upgrade. Where a soils report exists we build to it; where there is none, what we find during excavation tells us what the ground is going to do.

Drainage on a flat lot

Valley lots are often close to level, which makes slope hard to find and easy to get wrong. Low points, cross-fall and where water actually leaves the property get worked out before the pour, because once the concrete is down the drainage is permanent.

Our work
Driveway rebar dusk
Mixer truck delivery
Driveway side approach
What goes wrong

How concrete fails, and why

Cracks radiating from a drain

Anything cast into a slab is a stress point. Drains, posts and penetrations all need isolation or steel around them, otherwise cracks start there.

Uneven cure color on a big pour

A large slab poured across changing weather or with loads arriving at different times can finish in visibly different shades. Sequencing and consistent mix control prevent it.

Deterioration at sprinkler heads

Constant water in one spot saturates the base and leaches the surface. It is a landscaping-meets-concrete problem and it is common.

Broken corners at driveways

Vehicles cut the corner where a drive meets the street, over the least supported concrete on the property. A thickened edge and steel at the corner fix it.

What to expect

How a job runs

Weather calls

Rain on fresh concrete damages the surface, and extreme heat shortens the finishing window. Both can move a date, and we will tell you why.

Sequence on bigger jobs

Demolition, earthwork, forming, steel, pour, joints, cure. Each step has to finish before the next one starts, and inspections land between some of them.

A repair aimed at the wrong cause is money spent twice.
On repair work

Changes mid-job

Anything found underground can change the scope. If that happens you hear about it before work continues, with what it means.

What normal looks like after

Some hairline cracking, some color variation, and joints doing their job. We will tell you what is expected so you know what is not.

Related

Other residential work

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Concrete Driveways

The slab that carries a car every day of its life.

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Concrete Driveway Replacement

Out to the dirt, rebuilt from the base up.

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Concrete Driveway Repair

Fix what is broken and leave what is sound.

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Concrete Patios

The outdoor room that starts as a flat pour.

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Concrete Patio Replacement

Take out the old slab, pour the one you actually wanted.

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Concrete Patio Repair

Cracks, settled corners, and surfaces that have gone rough.

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Concrete Walkways

Getting from the street to the door without a trip hazard.

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Concrete Sidewalks

Public-facing flatwork built to the spec the city will inspect.

Straight answers

How much does concrete cost?

It depends on access, thickness, base condition and finish, which is why we walk the job before giving a number. We will not quote a driveway off a photograph.

How long before I can drive on a new slab?

Concrete takes most of its strength in the first week and keeps gaining for a month. Foot traffic is usually fine after a day or two. Vehicles wait longer, and we will give you the actual number for your pour, because thickness and weather both change it.

Do you fix the base or just pour over it?

We fix the base. Pouring new concrete on ground that already failed once is how you get the same crack in the same place. If the base is the problem, that is the work.

Can you match my existing concrete?

Usually close, rarely exact. Concrete changes color as it ages, so a new pour next to a ten year old slab will read newer for a while. We match thickness, finish and joint pattern so it looks intentional.

Will it crack?

Yes, eventually, and that is the material rather than a defect. The job is deciding where. Control joints put the crack on a line we cut instead of one it picks. A slab with no cracking plan will still crack, just somewhere you did not want.

Tell us what the job is

We walk the job, tell you what it needs, and give you a number. Hemet and roughly 100 miles around it.