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Hard Floor Care

Tuesday's Ask the Experts: Ceramic tile care

May 24, 2011
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Tuesday''s Ask the Experts question from a cleaning professional on the International Custodial Advisors Network (ICAN) "Ask the Experts" page: I have about 10,000 square feet of unglazed ceramic tile that is in a busy church. The tile and grout is in poor shape and has never been sealed. First I will be cleaning it to get in good shape and then sealing it. How many coats should be used. What brand name of sealer should be used. How often will this need to be re-sealed.
The answer:
There are two basic types of sealer. One is a penetrating/impregnator seal that sinks into the surface of the flooring and grout. The other type of sealer is a topical/sacrificial coating in that it stays on the surface to protect the floor against wear and moisture/stain penetration.
If you just want protection against staining and moisture the penetrating seal will do the job. If you want ... — Lynn E. Krafft, ICAN/ATEX editor
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