Concrete floor grinder being used for surface preparation.

Avoid Preparing Concrete with Acid Etching

When preparing concrete for a resinous floor, it is advisable to avoid acid etching.

Muriatic acid with a o not use ross over it.

In general, acid etching can achieve a concrete surface profile of 1 to 3. However, it also tends to produce an inconsistent profile by leaving variations between high and low spots.

Acid etching can leave behind a bond inhibiting residue, and if not cleaned properly it can further weaken the surface.
Read more on this topic in our technical article, "Acid Etching No Longer Recommended Concrete Prep Method."

Refer to our Surface Preparation G1 Form for best practices on preparing floors for resinous flooring systems.