Cracks and repairs

7 Causes of Garage Floor Cracking

Updated 2 min read Written by the MyGarageFloors install team
An installer filling a crack in a concrete garage floor before the coating goes down
An installer grinding the edge of a bare concrete floor with a hand grinder

A cracked garage floor can be a real headache, affecting both the aesthetics and functionality of your space. At MyGarageFloors.com, we've encountered various cases of garage floor cracking, and we're here to shed light on the seven common causes. Knowing the root of the problem is the first step in finding effective solutions.

7 reasons why epoxy might not be the right product for you.

Settling Foundation

One of the primary culprits behind garage floor cracks is a settling foundation. As the ground beneath your garage shifts and settles, it can lead to stress on the concrete, resulting in cracks over time.

Heavy Loads and Impact

Frequently parking heavy vehicles or dropping heavy objects on your garage floor can contribute to cracks. The impact creates stress points, weakening the concrete and causing visible cracks.

Temperature Fluctuations

Extreme temperature changes, especially in regions with harsh winters, can cause the concrete to expand and contract. This constant movement can lead to the formation of cracks over time.

Want the number for your garage?

Get an accurate price online in about a minute. No sales visit, no waiting on a callback.

Get my price

Poorly Mixed Concrete

During the initial construction of your garage, if the concrete mix wasn't properly proportioned, it can result in weakened concrete prone to cracking. Poor construction practices can have long-term consequences.

Lack of Control Joints

Control joints are intentional grooves in the concrete designed to control where the cracks occur. Without these joints, the concrete may crack randomly, affecting the overall stability.

Moisture Infiltration

Water is a common adversary for concrete. If your garage floor isn't adequately sealed, moisture can seep in, causing the concrete to weaken and crack over time.

Chemical Exposure

Exposure to harsh chemicals, such as oil, gasoline, or certain cleaning agents, can break down the composition of the concrete, leading to cracks. Regularly cleaning up spills can help prevent this.

How to clean garage floors.

Addressing Garage Floor Cracking

  • Use concrete crack fillers for hairline cracks.
  • Employ self-leveling concrete mixes for uneven surfaces.
  • Utilize concrete patches or epoxy fillers for larger cracks.
  • Invest in a durable garage floor coating like MyGarageFloors.com's Polyaspartic for long-term crack resistance.

Conclusion

By identifying the causes of garage floor cracking, you can implement effective solutions to preserve the integrity of your space. Whether it's addressing settling foundations, heavy loads, or temperature fluctuations, taking proactive steps will help you maintain a garage floor that's both functional and visually appealing. Consider MyGarageFloors.com's Polyaspartic coating for a lasting solution to prevent future cracks.

Get your exact price online

We guarantee the best garage floor at the lowest price backed for life. That simple.

Get my price

Beat any written quote by $50. Crack repair included.