A black marble floor can look worn long before the stone itself is actually worn out. More often than not, the real culprit is years of wax. Coat after coat builds up across the surface, trapping dirt, grease, and everyday grime until the marble underneath barely shows through. Mopping helps for a while, then seems to stop making a difference altogether. One of our recent Black marble before and after stripping, full resurfacing, and polishing Work projects at Titans Natura