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Why Does Concrete Crack?

Repairing Cracks in Concrete

Over time, concrete may develop cracks. No matter how much you wish they would go away, they will only get worse with time. Narrow cracks can turn into deep or wide cracks if they are not properly taken care of and repaired.

Why does concrete crack?

Concrete can crack for a number of different reasons:

- Extreme changes in temperature, especially freezing and thawing

- Pressure and weight of heavy load(s)

- Concrete shrinks over time

- Ground settles and the concrete shifts

- Tree roots grow under and through the concrete

- Improper concrete mix was used (wrong strength, improper ratio, etc.)

- Insufficient control and expansion joints

Preventing cracks

Although cracks cannot always be avoided, there are some steps that can be taken to minimize the possibility of cracks appearing.

1. Ensure that the correct base, sub-grade, and reinforcement is installed below the concrete surface.

2. Make sure the concrete is poured when the weather conditions allow for it. When concrete is poured during extreme cold or extreme heat, it may expand and contract before it has a chance to fully harden and cure.

3. Use the right concrete. The contractor will help you determine the proper strength (as measured by PSI) and proper ratio of water to cement.

Repairing cracks in concrete

Although some minor cracks can be fixed by a DIY-er, there is no substitute for the services of a professional concrete contractor. A concrete repair contractor can help fix cracks in 1) foundations, 2) slabs and patios, 3) pool decks, 4) garage floors, and 5) driveways. If the cracks are not repaired, sealed, or patched, water may seep into the area or unwanted insects may enter your living space.

If you're ready to get started on your project, we can help you get a free quote from a repair contractor in your area.

You may also be interested in:

+ How Much Does Concrete Cost?

+ Standard Concrete Thickness

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About the Author

ProMatcher Staff, ProMatcher
Orlando, FL 32803

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