Why is my concrete Chalky?
Posted by NNency - Feb 13, 2020 concrete 0 0 Views : 53 Receive Updates For This Category
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Feb 13, 2020
Dusting is the white chalking and/or powdering of the concrete at the surface. It is primarily caused by the slow disintegration of a weak top layer of concrete. This surface laitance is actually a porous layer of softer concrete that slowly breaks down, thus creating the white powdery surface.