Asked by: Enea Wallois
business and finance construction industry

Why did my concrete driveway crack?

Last Updated: 22nd June, 2020

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The most common cause of cracks in driveways is improper installation, usually in the form of a poorly constructed base or subbase. When this loose material gets moist, the freeze-thaw cycles cause the material to expand and contract, putting uneven pressure on the driveway and causing the concrete or asphalt to crack.

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Thereof, is it normal for a concrete driveway to crack?

Cracking is a normal occurrence when it comes to concrete driveways unless it's excessive and it happens very soon after installation. Cracks will need to be sealed to prevent further damage which is part of the ongoing maintenance of a concrete driveway that will need to be performed on a regular basis.

One may also ask, how do I keep my concrete driveway from cracking? A homeowner can help prevent cracking, scaling, crazing and pitting by yearly applying a good acrylic silicone solvent-based sealer to their concrete. A concrete contractor can also repair cracks with an epoxy injection, dry packing or routing and sealing techniques to stabilize the cracks.

In this way, what causes concrete driveway cracks?

Concrete driveways can crack for many reasons. Repeated freezing and thawing, heavy loads, tree roots and even shifts in the ground can cause damage. When you learn how to repair cracks in a concrete driveway, you may be able to stop them before they lead to bigger problems.

Are hairline cracks in new concrete normal?

Because concrete is a very rigid material, this shrinking creates stress on the concrete slab. Especially in hot weather, shrinkage cracks can occur as early as a few hours after the slab has been poured and finished. Often, plastic shrinkage cracks are only a hairline in width and are barely visible.

Related Question Answers

Lupercio Rutsche

Professional

Does homeowners insurance cover a cracked driveway?

As most homeowner's insurance policies will cover structures on your property, your driveway is most likely covered. Naturally, you can't ask your insurance company to pay for problems that you have caused. However, large cracks caused by heat or damaging pests and rain may be covered by your policy.

Nicoleta Ikhlef

Professional

How long should concrete last before cracking?

As the shrinkage begins, the concrete will crack where it is the weakest. Cracking typically starts within 12 hours of the finishing process, but it can be slowed or accelerated by weather conditions.

Caridad Artenov

Professional

How much does it cost to redo a concrete driveway?

The national range for tearing and replacing a driveway is between $6,275 to $8,500. The average is $7,394 for a poured concrete driveway as per Angie's list members. The average cost is $3,500 to $7,000 which $3 to $10 per hour, roughly. The cost may be higher for long or curved driveways.

Mirco Calamardo

Explainer

How much does it cost to resurface a concrete driveway?

Concrete Resurfacing Costs. The average cost to resurface 100 square feet of concrete is $400. Less expensive projects can run as little as $300 while more expensive ones are about $500. The price per square foot can range between $3 and $5.

Domingas Jidilev

Explainer

How do you fill large cracks in concrete driveway?

How to Repair Wide Concrete Cracks
  1. Chisel the crack with a hammer and masonry chisel to widen the base of the crack and to dislodge any loose material from the old concrete.
  2. Remove all debris from the crack, using a wire brush.
  3. Remove all water and debris from the crack with a wet/dry shop vacuum or a brush.

Quique Goldschmidt

Explainer

Shon Cinzia

Pundit

Can you pour new concrete over old cracked concrete?

If done properly, new concrete can often be poured right over an existing slab. However, if your concrete is relatively sound and raising its elevation a few inches would not create problems, then you can pour new concrete directly over the old. Well, maybe not directly over the old.

Andries Hoeftmann

Pundit

What is concrete resurfacing?

Concrete resurfacing is a process by which concrete is cleaned, repaired, and overlaid with a new surface. Here is an overview of the steps involved for this fix to aging concrete: Cleaning.

Liberio Schmittele

Pundit

Can concrete driveways be repaired?

Concrete resurfacingIf your driveway is experiencing cracking, scaling or spalling, the best solution is to resurface it with a concrete overlay. Before you can resurface existing concrete, it's important to remove any unsound concrete and repair noticeable cracks so the overlay has a solid base to bond to.

Samyra Eckehard

Pundit

What is the warranty on concrete driveway?

The one-year guarantee is standard fare for most decorative concrete contractors across the country, although many will stand behind their installation for an indeterminate amount of time depending on the project.

Larysa Wauquier

Teacher

How do you concrete a driveway?

How to Lay a Concrete Driveway
  1. Step one: Layout the perimeter of your driveway with wooden stakes.
  2. Step two: Add wooden forms.
  3. Step three: Dig out topsoil and level out the driveway sub-base.
  4. Step four: Reinforcing the concrete (optional)
  5. Step five: Pouring the concrete.
  6. Step six: Flatten and smooth out the surface.
  7. Step seven: Cut in contraction joints.

Arhimo Meincke

Teacher

How long should a driveway last?

Asphalt driveways typically last 12 to 20 years, depending on the quality of the installation, the climate, the usage they get, and how well they have been maintained. Like most everything else, the better care you take of your asphalt driveway, the longer it will remain in service.