Q&A for How to Cure Concrete

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What is the best weather for concrete to cure?

Alberto DeJesus
Construction Specialist
Alberto DeJesus is a Construction Specialist and the CEO of DeJesus Industries. With more than four years of experience, he specializes in high-end real estate development and construction. Alberto and DeJesus Industries have been featured on NBC News and have worked with numerous well-known companies, including Mazda, Amazon, and CVS. Alberto holds a Bachelor’s degree from Boston University.

Alberto DeJesus

Construction Specialist

Expert Answer

Around 50°F (10°C) is a good temperature for curing concrete. Just make sure that it hasn't rained recently or heavily around the time of your project.

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How long before I can put back cabinets on the new garage floor?

Community Answer

Depends on the mix, but usually 24 hours. You may want to water cure the slab for a few days. If this is the case, you should wait until finished water curing.

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Question

Which concrete mix uses the greatest amount of cement per cubic yard?

Community Answer

In today's world, concrete is sold in units of psi. For example: Most places require at least 2000 psi concrete for such things as footers, and slabs (like floors) will be at least 3000 psi. Basically, the higher the psi, the more cement is used. A local concrete company in your area can expertly guide you for the proper mix for your project.

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Question

I poured 4" of cement over the existing concrete on my screen porch six weeks ago, and there are still some gray areas. What can I do to speed up drying?

Community Answer

It's best if you don't try to speed it up. Be patient and wait it out. "Pushing" a cure will weaken it.

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What is the best way to cure cement that is being used for a light traffic walkway?

Community Answer

Spray a white or clear curing compound on it. The public could walk on it the next day. You can get it from The Home Depot or White Cap.

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What is the curing time for a foundation before a steel frame can be installed?

Community Answer

It completely depends on the steel frame project you have in mind. We've done monolithic pours (footers and slab in one pour) and been able to start erecting steel buildings within a couple of days.

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How do I prevent concrete from deteriorating?

Community Answer

Seal it once or twice a year. If it's a driveway, try to get salt off of it immediately during winter.

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Question

How do I keep my concrete moist?

Community Answer

Apply clean water. Spray the water directly onto the concrete using a fan spray nozzle. Keep the concrete wet usually on an hourly basis.

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Where can I get the curing compounds?

Community Answer

They're readily available from home improvement stores, Wal-Mart, and many other places. Be sure to follow the directions!

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Question

What is the sticky substance on colored concrete when it's drying?

Community Answer

It's most likely an agent used to slow curing of the concrete (slows evaporation of water). It's probably more waxy than sticky.

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