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Repairing cracks and fissures

It is very common for a concrete floor to crack, either because of the foundation settlement or due to the traction effect on the surface, for example, in a parking lot or a dense vehicle passage area.


A crack represents a serious problem in terms of safety, especially when it comes to industrial buildings with high storage.


Repairing cracks and fissures is a demanding task that must be carried out efficiently and accurately. Before carrying out any work, it is necessary to evaluate the initial conditions.

Different types of cracks and fissures exist, among the most common: cracks that appear in the expansion joint itself, small cracks or undercuts that can appear due to different causes.

To repair this type of damage, it is necessary to know the needs of the floor and examine the size of the damage. This allows us to opt for a single component resin repair for small cracks and fissures or a high performance, fast drying mortar repair for larger damages.

Contact us for more information.
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Crack repair is never easy. They are damages that are not geometrically linear and can develop in different directions and orientations. In addition, several cracks can be combined into one.

In the case of connected cracks, there is a risk of delimitation. This means that pieces of concrete can come off the pavement, creating a hole and leaving the concrete aggregate exposed.

To avoid this, it is essential to repair cracks and fissures as soon as they are detected.

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In order to apply a successful and lasting solution, it is important to evaluate all possible causes before carrying out crack and fissure repairs.

The fissures are mainly caused by:

  • Insufficient depth of the concrete to support loads
  • High tension in the concrete
  • Cracks in underlying layers of the concrete
  • Inadequate drainage


Repair of cracks and fissures should be part of your regular maintenance activities, through which flooring problems are solved.

Crack sealing consists of cutting and cleaning the crack. The crack is then sealed with a waterproof, adhesive mortar; usually polyurethane based mortars are used to guarantee a degree of flexibility in the repair.

The sealing of Cracks limits the penetration of water or other liquids into the interior of the concrete, in order to maintain a constant load capacity of the concrete floor.


Delamination is the next step to cracking, as these begin to deteriorate mainly due to vehicle traffic.

The repair of this type of damage is slightly similar, but in a previous step all the deteriorated area is removed. With this, the area is conditioned and then a grinding, polishing and hardening treatment is applied.

It basically consists of the recomposition of the pavement, eliminating the loose material and replacing it with a new one of similar characteristics.

For more information about industrial concrete floor repair, contact us through our contact form.

Safety problems due to cracks

When a heavy vehicle, such as a forklift, travels and stumbles upon a hole, it is not only increasing the degree of deterioration of the hole, it is also compromising both the machinery itself and the load it carries.

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Heavy machinery requires a uniform and smooth industrial floor in order to operate efficiently. If this is not the case it could lead to an accident.

Workers require greater concentration to drive machines on a cracked floor. Therefore, the less even the floor is, the greater the risk of an accident.

At BECOSAN® we believe that the repair of cracks and holes is of great importance to minimize the risk of damage or personal injury during industrial activities.