How to Remove a Urine Stain from Marble Flooring

Uric acid from pet urine is quite potent. The uric acid etches the marble to a dull appearance, and in many cases the texture of the marble surface will change from smooth to rough. Additionally, sometimes the color of the marble surface appears to contain a yellow tinge.

For those of you whose pets have urinated on your marble floor and damaged the marble, please don’t worry; our Marble Refinishing Kit contains everything you will need to restore your dull, etch-stained marble to a brand new, highly polished surface.

How to Refinish Stained & Damaged Marble

The first step prior to refinishing marble that’s been damaged or stained is to first protect the undamaged marble area with plastic sheeting applied with duct tape. Please note: allow an additional 2 inches of work area so that the machine can overlap the damaged marble surface with the finer sanding discs (overlap ½ inch per grit size).

Next, start your honing process (sanding) with the 220 grit disc, followed by 400 grit, then 600 grit, and finish with 800 grit. Remember to overlap your work area by a half inch, each time you change a sanding disc grit. Remember to stop the buffer machine every twenty seconds and clean the discs with a wet sponge. Also be sure check the surface of the sanding discs with your fingertips, for the discs work optimally when you can feel the abrasiveness on the disc. For damaged marble that is completely dull and its surface texture is rough when touching the marble with finger tips, start the honing process (sanding) with 150 grit, and continue as specified in the aforementioned text.

After the honing process is completed, you can begin the polishing process using our Marble Gloss Restorer with our Ultimate Polishing Pad, is necessary to polish two and sometimes three times to achieve a brand new, highly polished look. Please note:

When polishing the following marble species: pure white (Thassos), dark brown (Breccia Nouvella), dark green (Verde Antique), and absolute black (Belgium Black) please call our professional sales staff at (800)-617-1779, to special order Marble Gloss Restorer (Special Formula) ; the mineral makeup of these marbles require a different chemistry to produce a high gloss finish, which is found in our Marble Gloss Restorer (SF).

When polishing marble with our Marble Gloss Restorer (SF), you first make a slurry by mixing Marble Gloss Restorer (SF) with water, distribute the slurry over the area of marble to be polished, during the polishing process, it is normal for the slurry to dry quickly and you will notice a grabbing sensation from the machine which is caused by the friction created from using the Marble Gloss Restorer (SF); do not add more water, polish this area dry for another minute or two; then, repeat this identical polishing process by adding more Marble Gloss Restorer (SF) mixed with water and polish the same area of marble one or two more times to achieve a deep, durable, high gloss finish.

When finished, rinse the new marble surface several times with clean water; then, remove the plastic sheeting and duct tape. If the duct tape leaves an adhesive residue on the marble surface, this residue is easily removed. Use a paper towel and a small amount of lacquer thinner, or acetone (also contained in nail polish remover). Do not use lacquer thinner, or acetone on painted areas or on polyurethane which is typically on hardwood floors; use instead, a small amount of our Marble Polish and Protector or our Granite Polish and Protector, applied with a paper towel; both of these products will remove adhesive residue from duct tape without damaging paint or polyurethane.

This article is in response to a question from Carroll, that was received 6/10/08.

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