Concrete Garage Floor Repair in Plainfield, IL

The garage floor takes more abuse than any other slab on your property. Every winter the car drags in road salt and meltwater and then parks on top of it for months. If your floor is cracked, pitted, or sinking toward one corner, garage floor repair in Plainfield, IL usually costs far less than a new floor, as long as the work happens while the slab underneath is still sound.

We repair and replace concrete garage floors for homeowners in Plainfield and the surrounding towns. That covers filling and sealing cracks, resurfacing pitted floors, lifting slabs that have settled, and tearing out and repouring the ones that are past saving. Every job starts the same way: we look at the floor, work out why it failed, and tell you plainly whether a repair will hold or whether you would be paying twice.

Cracked, Pitted, or Sinking Garage Floor: What Causes It

Garage floor problems fall into a handful of patterns, and each one points to a different fix.

• A cracked garage floor. Thin, tight cracks are normal in any slab and mostly cosmetic. A crack that keeps widening, or one where the floor sits higher on one side than the other, means something underneath is moving.
• Pitting and flaking. Salt water soaks into the surface, freezes, and pops off the top layer a little at a time. The damage shows up first where the tires sit and near the overhead door.
• A sinking garage floor. Garage slabs are poured on fill that was placed against the foundation after the house was built. When that fill settles, the floor follows it. Look for a gap along the wall, a low spot that holds water, or a slab that has dropped away from the door threshold.
• Water that will not drain. A garage floor should slope toward the overhead door. Once a slab settles, meltwater runs toward the back wall or sits in the middle instead.

Most of Plainfield's housing went up in the late 1990s and 2000s, so a lot of garage floors in town are now 20 to 25 winters into that cycle of salt and freezing. The clay-heavy soil in much of the area does not help. It holds moisture and moves with the seasons, and the slab moves with it.

Garage Floor Repair Options

The right concrete garage floor repair depends on what failed: the surface, the slab, or the ground under it.

Garage Floor Crack Repair

We open up the crack, clean it out, and fill it with a flexible repair material so water and salt cannot keep working on it. Garage floor crack repair is the least expensive fix on this list, and it is worth doing early. A sealed crack usually stays a crack. An open one lets water under the slab, and that is how small problems turn into settled floors.

Garage Floor Resurfacing

For a pitted or flaking floor, garage floor resurfacing puts a new wearing surface over the old slab. The loose material comes off, the deep spots get patched, and a bonded concrete overlay goes down over the whole floor. Resurfacing only works when the slab underneath is solid and not moving, because a new surface is only as good as the concrete under it.

Garage Floor Leveling

When a slab has sunk but is still in one piece, garage floor leveling lifts it back into place. Material is pumped under the floor through small drilled holes, which fills the void and raises the slab. The holes get patched afterward. Leveling restores the slope to the door and closes gaps along the wall for much less than a new floor.

Partial Garage Floor Replacement

Sometimes one section is shot and the rest of the floor is fine. In that case we saw-cut the bad section out, rebuild the base under it, and pour new concrete to match the height of the floor around it.

When Garage Floor Replacement Beats Repair

Repair is not always the cheaper path in the long run. Full garage floor replacement is the better call when:

• The slab has broken into many separate pieces
• The floor has settled in several places, or by more than leveling can correct
• The surface is gone across most of the floor
• The base has washed out or was never compacted properly
• Water drains toward the house instead of toward the door

Replacement means breaking out the old floor, hauling it away, rebuilding and compacting the base, and pouring a new slab with the right slope to the door and control joints placed to manage cracking. Slab thickness and reinforcement get matched to what you park on it. Plan on the garage being out of use for about a week. You can walk on the new concrete in about 48 hours and park on it after about 7 days. Our guide on how long concrete takes to cure covers the full timeline.

If you are building a new garage or adding a slab rather than fixing one, that work is on our concrete flatwork page. For cracks and settling elsewhere on the property, see concrete repair.

Garage Floor Repair Cost in Plainfield, IL

Garage floor repair cost depends on which fix the floor needs and how much of the floor is involved. Typical ranges in the Plainfield area:

• Garage floor crack repair: $3 to $5 per linear foot
• Garage floor leveling: $3 to $8 per square foot of slab lifted
• Garage floor resurfacing: $4 to $8 per square foot
• Garage floor replacement: $6 to $15 or more per square foot for the new slab, plus $2 to $4 per square foot to tear out and haul off the old one

A two-car garage floor is roughly 400 to 500 square feet. At those rates, garage floor replacement cost for a two-car garage usually lands between $3,500 and $9,000, while a crack repair or leveling job is often a small fraction of that. Access, the condition of the base, and how much has to come out of the garage first all move the number, so the only accurate price is one based on seeing the floor.

Choosing Garage Floor Repair Contractors in Plainfield

When you compare garage floor repair contractors, ask each one the same question: what caused the damage? A garage floor repair company that offers only one kind of fix will tend to recommend that fix. The right answer starts with the cause, because a crack filler will not help a floor that is sinking, and a new surface will not last over a slab that is still moving.

Ask what happens to the base if the floor comes out, where the water will go when the job is finished, and how long the garage will be out of use. Then get the scope of work in writing before anything starts.