Between the endless customizations and decades of strength, the cost of a concrete driveway may be worth the investment. Let's break down your bottom line.
How Long Before You Can Drive on a New Concrete Driveway?
Handprints in freshly poured concrete are cute, but tire tracks are a different story
Photo: Solidago / iStock / Getty Images Plus / Getty Images
Photo: Solidago / iStock / Getty Images Plus / Getty Images
Highlights
You can drive on concrete after seven days.
You can walk on concrete after 48 hours.
You can drive heavy trucks and machinery on concrete after 28 days.
Driving or walking on concrete too early can reduce its strength and appearance.
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A concrete driveway can add beautiful curb appeal to the front of your home and can last up to 50 years when installed properly. One aspect to consider when choosing between asphalt and concrete driveways is how long you must wait before driving on a concrete driveway after pouring it. Keep reading to learn how long before you can drive on concrete.
Drying vs. Curing Time
Concrete drying occurs when excess water in a concrete mixture evaporates. It takes 24 to 48 hours for the concrete to dry.
Concrete curing is a chemical reaction caused by mixing cement and water, which ensures its strength and durability. It takes about seven days for concrete to partially cure and up to 28 days to fully cure. Curing is more important when determining when to drive on a concrete driveway.
Angi Tip
Concrete needs to cure in order to maintain its strength and durability. Improper curing could lead to brittle and porous concrete. A masonry contractor will have the knowledge and skills to know how long your project needs to cure.
How Long Before You Can Drive on Concrete?
You can drive on concrete after seven days with a passenger vehicle. The main surface of the concrete driveway is cured enough to hold a vehicle, but be careful around the driveway's edges. The edges can take up to one month to fully cure. Concrete is the most vulnerable in the first 48 hours after it is poured. Ensure the area is blocked off with warning tape so vehicles, people, and pets stay off the surface.
After 30 days, the concrete will harden entirely and reach full strength. Even so, it’s always best to avoid driving heavy trucks and commercial vehicles on residential driveways. The concrete mix for residential driveways is not designed for the load of a large vehicle.
How Long Before You Can Walk on Concrete?
Photo: Getty Images 904506318 / iStock / Getty Images Plus / Getty Images
You can walk on new concrete after two days. However, use caution. Do not slide or twist around as you move because the concrete is still setting. Be especially careful around the edges of the freshly poured concrete sidewalk or driveway, as the edges take longer to cure than the rest of the surface.
Also, do not use bicycles or skateboards on a freshly poured concrete driveway until vehicles are allowed on the surface, as weight is concentrated in small areas and can leave imprints on a concrete surface.
What Factors Affect Concrete Curing Time?
Exactly how long concrete takes to cure depends on different factors. Here are some of the main factors that can impact concrete curing time:
The type of mix: Because there are accelerated curing mixes available, the type of mix can be a factor in curing time. A fast-curing concrete mix will obviously take less time than the average to cure.
Temperature: Weather conditions and temperature can affect the curing time, as the colder the temperature, the quicker the concrete cures.
Mix proportions: Altering the proportions of the concrete curing mix can increase the speed of curing.
What Happens if You Drive on Concrete Before It Cures?
If you drive on concrete before it at least partially cures, its structural integrity, durability, and appearance suffers. You can leave permanent tire imprints on your concrete, but worse, it can lead to cracking and reduced strength.
It’s best to wait seven days before driving on fresh concrete and 28 days before putting heavy trucks and machinery on your new concrete.
Can You Speed Up the Curing Process?
If you’re pressed for time, there are a few ways you can speed up the curing process. You can use slightly warmer water in your concrete mix, increase the temperature of the surrounding environment, and use fans and dehumidifiers to circulate and remove moisture from the air. You can also add calcium chloride into the concrete mix before pouring.
DIY Concrete Driveway vs. Hiring a Pro
Photo: Stuart Monk / Adobe Stock
Most homeowners leave all concrete projects to a local concrete driveway contractor. Working with concrete is a complex process. You must first know the correct mix, then install the concrete per the manufacturer's recommendations. You also need to cure the concrete properly and monitor the temperature. Otherwise, you risk a cracked driveway or end up with one that doesn’t drain properly or last as long.
The cost of a concrete driveway installed by a pro ranges from $2,340 to $7,500, or between $4 and $15 per square foot. If you install the driveway yourself, you will save on labor costs of about $2 to $3 per square foot.
Frequently Asked Questions
No, you cannot drive on concrete after three days because it has not cured enough to support the weight of a vehicle. Doing so will likely leave tire track imprints on the concrete surface and reduce its long-term strength. It is best to wait at least seven days before driving on concrete.
Yes, you can drive on concrete after seven days. While doing so, take extra care around the edges of the freshly poured concrete surface, as these areas may not be as strong as the main concrete surface. You should also avoid driving heavy trucks and machinery on new concrete until it’s fully cured, 28 days after it’s poured.
You will know concrete is fully cured after 28 days when the new concrete reaches its maximum strength. Follow the cure time information on the manufacturer’s label or ask your concrete pro about when your concrete is fully cured. You can drive your concrete once it’s partially cured, usually around seven days after it’s poured. After one week, the concrete is strong enough to hold up to regular-size vehicles.
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