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Hard Floor Care / Ask The Experts
Ask The Experts

ICAN/ATEX: How do I remove dark stains from terrazzo floors?

November 15, 2012
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Many cleaning professionals visit the International Custodial Advisers Network (ICAN) Ask the Experts page for insight and, every business day, we deliver advice to better help you perform your job.

Thursday’s Question:ICANATEX Logo

I have a newly renovated terrazzo floor and, within the last few months, we have had big dark stains appear in the terrazzo.

When we strip floor, the stains are remaining.

Has anyone had problems with these type stains and, if you have, can anything be done to remove them?

Thursday’s Answer:

terrazzoThe terrazzo matrix has a porous cement in it, and spills can seep down into the pores.

At this point, no one likely remembers what was spilled or when, so this may be a challenge.

The next time you strip off the topical finish, make a poultice of an absorbent material such as baking soda and place it on the spot with the expectation that the soda, as it dries, will pull the oil or whatever up from the porous material and  … - Lynn E. Krafft, ICAN/ATEX editor.

To read this response in its entirety, click here.

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