How to Fix Concrete Cracks

Concrete is one of the most durable paving materials in the construction and home improvement industry. However, there are many things that could cause damage. Concrete cracks are the most common signs that concrete surfaces may need to be diagnosed and repaired. These can range from hairline cracks to a wide open gap.

Causes of Cracks

What causes cracks? Here are some of the possible causes:

Ground Movement – This can be caused by the natural movement of the earth, improper subgrade compaction, or soil being moved by water underneath the slab. It is important to know which of these are causing it to determine the proper solution.

Weight and Usage – Putting something heavy on a concrete slab may cause it to crack and break. Also, continuous heavy foot traffic can cause superficial cracks on the surface of a concrete floor.

Low-Quality Cement – Anything that is not par to the requirements of concrete slabs is going to have a shorter life expectancy. Low-grade cement is not durable and can easily crack.

Concrete Crack Solutions

The type of solution appropriate for cracks will depend on how severe the crack is. Here are some of the most common fixes for concrete cracks:


Patch repairs are done on cracks that are wider and deeper than minor cracks. The edges of the cracks are first chiseled to create a backward-angled edge. Using a wire brush or a wire drill, the gap is cleaned of any dust or debris. The surface of the cut area is then coated with a bonding adhesive to keep the patching compound from loosening. After the patching compound has been filled into the gap, the top is then troweled until it is even with the entire concrete slab

Concrete Resurfacing

Decorative concrete is such a trend nowadays because of its versatility and affordability. Concrete coatings or overlays are often applied on top of an existing concrete slab and then customized to make it more ornamental and attractive. Stamped, acrylic, epoxy, and polyurea polyaspartic coatings are ideal solutions to minor or superficial cracks.


Concrete Replacement

More often than not, severe cracks have underlying issues, especially when you see a trace of rust oozing out. This means the supporting structure underneath has already began deteriorating. For such damage, a concrete replacement may be required. It is highly recommended to consult a professional concrete contractor to help assess the damage and find the appropriate fix.


About Tyler

Tyler is a website designer for CYBERsprout and SproutWorx. In his spare time he enjoying paddleboarding, cycling, and reading Game of Thrones (aka waiting for Winds of Winter).