Refinishing Marble Countertops

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Dear NH,
I need to refinish my cultured marble bathroom counter tops. I have done the following so far: Wet sanded the surface with 220, 400 and 600 grit sand paper which got rid of the stains and etched areas from setting down tile cleaner.

Also got some 2000 grit which made it smoother but didn't polish it. Tried using automotive rubbing compound to restore the shine but it did not work. Had some one micron alumna slurry (a left over from an engineering project where I used to work) and tried to use my electric buffer with it. It sort of worked but it seemed to gouge out soft areas in the counter top. Have any suggestions?

Dear JC,
Cultured marble is not like Corian or the other so-called solid surface products. The surface coloring is a coating, does not go through the countertop, and can be permanently defaced by deep scratches or excessive scouring and abrasive cleaning. If you have not completely removed the glazed surface by sanding, you may be able to restore some of the sheen by applying a wax product known as Gel Gloss. Though I have not used it specifically on cultured marble, I have had great success with this product on both Formica and plastic shower enclosures that have lost their new surface glow. At the least it will prevent staining of the now vulnerable surface by typical bathroom medicines and chemicals. Otherwise, you could try to coat the surface with a few coats of gloss polyurethane varnish, or even paint it with an epoxy base paint. All your prep work will not have gone to waste!

Copyright 1998 G.G. ALONZY

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