Concrete Efflorescence
Concrete Efflorescence

Concrete Efflorescence: Removal and Prevention Solutions


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One of the most challenging issues every concrete contractor has faced is efflorescence because of how difficult it is to fix. Concrete can be vulnerable to stains, especially when materials like salt will come off directly to the concrete surface. The stains are more present in darker colors due to the contrast being created by the chemical reactions. Efflorescence is usually triggered by condensation, lower temperatures, rain and humidity. It can generally happen also when water is added to concrete for manageability purposes.

Let’s begin understanding what concrete efflorescence is all about, including the major causes why it occurs, the preventative methods and other practical solutions to fix it.

What is Efflorescence and What Causes It?

Efflorescence is described as a typical appearance of a powdery and unwanted substance usually found on mortar or concrete surfaces. This off-white discoloration to masonry and concrete forms usually comes to the concrete surface by capillary voids. This will be the major result of gradual temperature changes, condensation, moist migration, and too much water during concrete mixing. Concrete contractors have to take note of efflorescence because it happens too quickly and over time. Also, a

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