Concrete Driveways in Waterloo, IA

Of all the concrete around a house, the driveway works hardest. Cars and pickups roll over it twice a day, shovels and plow blades scrape it all winter, and the brine that drips off your tires soaks into it from November to March. Our concrete driveways team pours new drives and replaces worn-out ones in Waterloo and across the Cedar Valley, from narrow one-car strips behind older houses to three-car approaches in newer subdivisions.

How old driveways fail

Point2Homes, summarizing Census estimates, shows close to half of Waterloo's homes were built before 1960, so plenty of driveways in town are on their second or third decade of hard winters. The failures repeat from lot to lot:

• The street end goes first. That strip catches the most salt spray, so it scales and pits before anything else.
• Long panels crack across the middle. Joints were spaced too far apart or never cut.
• The slab by the garage drops. Backfill next to the foundation was never compacted, so it keeps settling.
• Low spots hold water. Puddles turn into ice sheets, and the water under them softens the base.
• It is too small. Drives built for one sedan now have to fit two trucks.

Once three or four of these show up together, chasing repairs usually costs more over time than starting over.

Underneath comes first

A slab is only as sound as the ground below it. After the old driveway is broken out and hauled away, we dig out topsoil, roots and anything spongy, then bring in crushed stone and compact it in layers. The forms are set so the finished surface falls toward the street or a side yard and never back toward the garage. On thickness, HomeGuide's driveway guide calls for at least 4 inches under ordinary cars, 5 to 6 inches for RVs or heavy vehicles, and 6 to 8 inches at the edges. We size yours to what will actually park on it.

The mix, the steel and the joints

Every exterior pour we order is air-entrained. The tiny bubbles it carries are the main defense against surface flaking in a climate like Waterloo's. Steel comes next: rebar on a grid or welded mesh set up on chairs, so it sits in the middle of the slab and holds cracks tight instead of lying uselessly at the bottom. Then the joints. We cut them to about one-quarter of the slab depth and space them so each panel stays close to square, which gives shrinkage cracks a straight line to follow.

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Where the driveway meets the street

In Waterloo, the stretch between the public sidewalk and the curb, called the approach, is in the city right-of-way. The City's Building Department says concrete work there needs a permit from City Engineering, even though a driveway on private property does not need a building permit. Other towns handle approaches their own way. We look up the rules for your address and pour the approach to them.

After the pour

Fresh concrete needs time and moisture to gain strength. We keep the surface from drying out early. HomeGuide's driveway guide says to wait 24 to 48 hours before walking on it, at least 7 days before driving a car on it, and the full 30-day cure before heavy vehicles or sealer. Through the first winter, avoid de-icers made with ammonium nitrate or ammonium sulfate, since both attack concrete, and use sand for traction wherever you can. A penetrating sealer reapplied every couple of years cuts down how much water and salt get in.

Call (319) 481-5867 and we will set a time to measure and look over your driveway.