Detailed Acid Etching Instructions. The purpose for acid etching is to remove “latencies” from the surface of concrete floors. When a floor slab is poured, contractors etc often float or trowel the surface smooth by working up a smooth weak film over

Acid etching is the process of applying hydrochloric/muriatic or buffered phosphoric acid to a slab, then rinsing it off with water. For many years, it was a standard method of concrete preparation used by nearly all industrial, commercial and institution

Many acid etching projects are carried out to prepare a concrete floor for the application of a synthetic epoxy or sealant. These sorts of products give the concrete a professional-looking sheen and also resist water, grease, oil, and other common spills,