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Hard Floor Care

Thursday's Ask the Experts: Waxing over a stained finish

January 28, 2010
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Thursday''s Ask the Experts question from a cleaning professional on the International Custodial Advisors Network (ICAN) "Ask the Experts" page: Our newly constructed Culinary Arts Building has been open for approximately two months. The general contractor decided to let us move into the building, and then came back over the Christmas break and "stained" the poured concrete hallway.
It is my belief that they used an epoxy-type finish and now we are told we should "protect" this with two coats of wax. Has anyone heard of waxing over a stained finish like this and if so, what type of finish would you recommend?
Something acrylic, high solids? My fear is that we''re going to create a maintenance nightmare by doing this and we''ll be constantly re-coating this floor to make it look good.
The answer:
You are probably correct regarding the maintenance nightmare. I''d start by finding out exactly what (manufacturer and product) the general contractor used to stain the floor. Then, I''d follow up with the manufacturer to see what they recommend for cleaning and coating.
Most concrete floors are sealed with an acrylic or urethane-type concrete sealer; other polymers and natural waxes can be used but are not practical for commercial locations or outdoors.
The best approach would have been to stain the concrete and then polish and densify the surface with a concrete hardener. This would have eliminated the costly need to seal, strip, and recoat the floor on a regular basis, and it would have given you a much better looking floor.
You may wish to ... — Lynn E. Krafft, ICAN/ATEX editor
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