A Brief Explanation of the Two Types of Efflorescence A Brief Explanation of the Two Types of Efflorescence

Efflorescence is a common problem with concrete and other masonry products. As a homeowner, you need to understand what efflorescence is so that you can combat it. Here are the basics of efflorescence and what it means to you.

Primary Efflorescence

The first type of efflorescence is called primary efflorescence. This type of efflorescence occurs when concrete or masonry work is in the process of curing and the water within the concrete rises to the surface. The rising water often carries minerals. As it comes to the surface and evaporates, it leaves behind traces of minerals. You will notice a small, white, flaky substance on the concrete or masonry work.

Secondary Efflorescence

Secondary efflorescence is a phenomenon that does not happen when the concrete is drying. It occurs because of some outside influence that does not mix well with the concrete. For example, secondary efflorescence can occur where concrete meets steel on a bridge.

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