What Is Concrete Spalling? Causes Of Concrete Spalling

Rohan Mathew

Updated on:

what is concrete spalling

Are you finding answers about what is concrete spalling and why it has happened? Then you have come to the right place, where all your doubt related to concrete spalling will be cleared. I will tell you about the causes of spalling cement in detail. You will come to know how you can fix the spalling correctly all such important points that I will discuss further. So let us read and understand what is concrete spalling without skipping any point given below.

What Is Concrete Spalling?

Concrete Spalling is the process in which the concrete surface starts to break away. It can happen due to many factors that affect the concrete spalling images cracks or holes cement by physical or chemical means. Now we will see the concrete strap what is spalling reasons in the following.

This was about what is the meaning of spalling concrete now lets see what causes this spalling of concrete.

Spalling Of Concrete Causes

Here I have described what causes concrete spalling in detail.

  1. Rusting Iron Bars

The first reason for types of spalling of concrete starts with the rusting of iron bars. As rods are used in structures with concrete to make support frames. The bars may rust due to contact with excessive moisture or water, it happens mostly in low-quality iron material.

  1. Water Absorption

Water absorption in excessive amounts leads to what is spalling on concrete slabs or beams occur. This may happen due to several reasons for water absorption like filling of rainwater, leaking of water from tanks, etc.

  1. Environmental Conditions

The change in the environmental conditions increases the chances of what is concrete driveway spalling due to some physical thermal expansion reactions. It separates the hold of concrete particles closely due to stress.

  1. Salt Concentration

The next cause of what is spalling in concrete floor happens due to the salts concentration present in water. It will leave watermarks over the concrete which will start spalling after time.

  1. Water Temperature

The difference between concrete spalling and scaling has the same effects when the use of water with an inappropriate temperature is done. If cold water is used in the mixing of concrete then in the future, the constructed site will start to leave scales, spalls and will flake the cement particles.

  1. Ice

Ice is the reason behind what is spalling on concrete window panes. As the ice is a cool form of water that is absorbed in concrete later and later it expands in more volume and causes cracks inside the cemented areas.

  1. Use Of Adulterated Cement

Last but not least cause for what is concrete spalling as per our research is the use of adulterated cement. It can create big spalling easily and can lead to big issues further.

Fixing Of Concrete Spalling

Here I have described how to repair spalling concrete wall areas easily. You will understand the methods for what is concrete spalling repair in the following.

  1. Cleaning Surface

The spalling of concrete repair surfaces should be cleaned with pressure and removal of any loose surfaces completely. Scrap the surface and make a uniform patchy area for further precautions.

  1. Coating

Apply anti-rust coats to the iron bars which are rusted. This will keep bars intact in the future and prevent staining.

  1. Repair Coat

Use of repair coat what is best concrete patch for spalling fixation helps to fill up the holes and crevices.

  1. Finishing

After filling the spaces with the repair material a proper finishing touch will make it look fine.

  1. Paint

To prevent spalling concrete repair cost paint is necessary to add an extra layer of protection in the future.


What Is The Cause Of Concrete Spalling?

Here are the causes of the concrete spalling.

  1. Rusting of iron bars
  2. Water absorption and Salt concentrations
  3. Ice and cold water effects
  4. Adulteration of cement
  5. Use of poor techniques
  6. Environmental factors

What Is Meant By Spalling Of Concrete?

The spalling of the concrete means the falling of the cement particles from its surface in form of spalls, flakes, chips, etc., and destroying the structure.

How Do You Fix Spalling Concrete?

Ways you can do to fix spalling concrete are as follows:

  1. Cleaning the spalling surfaces thoroughly.
  2. Applying coats and protectors on iron bars
  3. Filling of spalls patches and leveling up.
  4. Applying paints at last

What Does Concrete Spalling Look Like?

Spalling is the uneven surfaces that appear after chipping of the concrete particles from surfaces made up of concrete.

Is Concrete Spalling Dangerous?

Yes, concrete spalling can be dangerous if not treated on time. This will lead to collapsing of the concreted structure and surface over time.

Can Concrete Spalling Repair?

Deeply spalled concrete can be repaired with a concrete overlay. Think of this as just applying stucco to the concrete. You just mix up some sand, a little hydrated lime and Portland cement and trowel this onto the concrete.

What Are The Different Types Of Concrete Spalling?

Spalling involves the breaking off of layers or pieces of concrete from the surface during thermal exposure. Spalling can broadly be classified into 3 different types: aggregate spalling, corner spalling (or sloughing off) and explosive spalling.

Is Concrete Spalling Bad?

Spalling can also be harmful for workers, building occupants, and passer-byers. Mild concrete spalling can lead to falling debris and tripping hazards, whilst more severe cases can cause structural instability which can be even more dangerous.

Is Spalling Concrete A Structural Problem?

Concrete spalling not only damages the aesthetical appearance of the building but also affects the structure performance and stability in the long run if immediate remedy is not applied


Now you have an overall idea of what is concrete spalling after reading this article. I have explained all the causes of concrete spalls to you. The ways you can use for repairing concrete spalling will help you in the future while fixing the home wall or surfaces. You do not have any doubt left as your all questions about what is concrete spalling were answered by me.