Limestone Floor by Building Elevator After Sanding and Re-Grouting
This limestone floor near a building elevator is photographed after sanding and re-grouting. The large-format tiles are laid on the diagonal, a common pattern for lobby and corridor installations. The surface looks clean and uniform, with fresh grout lines and the natural warm beige tone of the limestone showing clearly.
Sand is particularly damaging to limestone and marble floors in high-traffic building areas. Foot traffic drags in abrasive particles that act like sandpaper on the surface over time, dulling the finish. Regular maintenance at elevator entries and entranceways is critical in keeping the stone in good condition.

The work here combined sanding the surface to remove the worn top layer and refreshing the re-grouting throughout. Sanding evens out lippage between tiles and removes surface damage, while new grout fills any cracked or discolored joints for a consistent finished look.
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