Short answer
Typical planning ranges are 24–48 hours before walking on new concrete and about 7 days before passenger cars. These are not guarantees: we give you the release dates for your mix and the weather on the day. The 28-day strength is a common reference point, not the end of strength gain; cold conditions can extend the wait, and Georgia's summer heat makes proper curing more important, not less.
| Walk on it | after 24–48 hours[1] |
|---|---|
| Drive a car on it | after about 7 days[1] |
| Common strength reference | 28 days; strength can continue to increase[3] |
| Ideal temperature | 50–85°F[1] |
| Cold conditions | Slower setting and strength gain[3] |
| Hot, dry, windy conditions | Faster drying; plastic shrinkage cracks[5] |
| 7 days moist-cured vs. uncured | about 50% stronger[1] |
Curing vs. drying
Concrete doesn't harden by drying out. It hardens through hydration, a chemical reaction between cement and water. ACI explains curing as controlling moisture and temperature so those reactions can develop the concrete's properties. Maintaining suitable conditions helps strength development and reduces cracking risks.
Timeline for a new patio or driveway
- Day 1–2: foot traffic is usually fine; we confirm it for your pour. Form removal is a separate strength-based decision.
- About day 7: a common planning range for passenger cars in suitable conditions; confirm before driving on it.
- About day 28: a common reference age for strength, not an automatic release for all loads.
Weather in Georgia
Most of the year the issue is heat, not cold. NRMCA's hot-weather guidance warns that high temperatures, low humidity and wind speed up evaporation from fresh concrete and cause plastic shrinkage cracks, which is why summer pours start early and get cured promptly; see pouring in summer heat. From December to February, north Georgia gets enough freezing nights that a winter pour may need thecold-weather precautions ACI describes. Everycity page shows the local numbers.
Frequently asked questions
Can it rain on new concrete?
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Rain on a fresh, unfinished surface can damage the finish, so contractors cover new pours or reschedule. Once the concrete has set, moisture actually helps curing. Georgia's summer afternoon storms are a scheduling factor; we cover the pour or move the date if rain is forecast.
When can I park a truck or RV on a new driveway?
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Do not use the passenger-car timeline for a truck or RV. We give you a release date based on vehicle weight, the specified mix, slab design and strength development.
Do I need to water new concrete?
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Keeping concrete moist in the first days improves strength. Concrete moist-cured for 7 days is about 50% stronger than uncured concrete. Contractors use water, wet coverings, plastic sheeting or a spray-on curing compound.
Sources
- [1]ConcreteNetwork.com, Curing Concrete (updated May 6, 2025)
- [2]American Concrete Institute, What is curing? (checked October 6, 2026)
- [3]National Ready Mixed Concrete Association, CIP 27: Cold Weather Concreting (2014 edition; checked October 6, 2026)
- [4]American Concrete Institute, What is the effect of freezing on concrete? (checked October 6, 2026)
- [5]National Ready Mixed Concrete Association, CIP 12: Hot Weather Concreting (checked October 30, 2026)
Prices are national ranges published by the sources above, not quotes. Your price depends on size, access, site preparation and local labor rates in Georgia. Our free on-site estimate is the price for your site.
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