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Unfortunately, concrete cracks happen, so there’s no surefire way to avoid them long-term. To slow down the cracking, apply a sealant every two to three years and use sand rather than salt to melt snow or ice. Using salt speeds up the freeze-thaw cycle, which may increase the likelihood of cracking. Additionally, keep vehicles and heavy machinery off of your concrete, as the weight can lead to more cracking.

Yes, you can put too much rebar in concrete. Too much reinforcement can cause strain in the concrete, leading to cracking. Air pockets can also form in the gaps between rebar when concrete fails to fill the space properly. The placement and installation of rebar is a specialized skill, so consult an experienced pro before proceeding.

The most common cause of concrete cracks is shrinkage when the concrete hardens and cures. The stress from the shrinkage exceeds the concrete’s strength. Concrete cracking can also occur when it experiences extremely cold or hot temperatures, such as a particularly harsh winter or a firepit built into a concrete patio.

If the moisture level in your concrete flooring is higher than what is acceptable for your primer or flooring materials, then you are looking at dealing with major flooring issues down the road. From mold and mildew, to warping, buckling, bubbling, and soft spots, you could see a wide range of moisture-induced problems.

These issues can affect not just your flooring but your foundation too. That is why measuring moisture in concrete is so important before starting a project.