Cleaning a pre-war mosaic floor

Our pre-war co-op has mosaic floor common hallways, circa 1910, which we are contemplating restoring / cleaning. They are decidedly looking tired (not necessarily too much cracking). Would appreciate suggestions on the dos and don’ts or experiences other have had on this topic.

prewar

in Flooring 13 years and 9 months ago

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redhookdave | 13 years and 8 months ago

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Hi, I would love to take a look at your floor! Cleaning and restoration is my speciality. Cheers Dave dcrossman357@gmail.com

prewar | 13 years and 9 months ago

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Thanks so much – does it need to be re-sealed after the cleaning ?

Arkady | 13 years and 9 months ago

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Make a poultice of baking soda & peroxide & use a soft brush.  If stains don’t go away, leave the mixture on for a day covered w/ saran wrap.  Whatever else, do not use ammonia.  There should be several forum posts in the archives on how to do it.