A rock formed from calcite, a form of calcium, limestone forms in locations where items high in calcium tend to settle, such as the ocean and lake bottoms, where fish bones and shells sit. Even after thousands of years, when these organic ingredients naturally press into limestone, the shape of shells is still noticeable in the rock. Like marble, some limestone can handle polishing, though, according to PaverSearch, you should not polish all limestone. Limestone that can handle a polish that has similar properties to marble, and you should polish it in the same way.
Research the limestone that you want to polish. If you do not have paperwork that includes the proper care for your limestone, contact the product manufacturer to find out if it recommends polish for the type of limestone in your home. If you have no information on your limestone, and no access to the manufacturer, feel the limestone. Limestone that you can polish usually has a smoother surface, like marble. Limestone that does not take a polish well often has a more uneven surface.
Buy a polishing wax that states that it is for use on natural stone. These polishes should be non-acidic and gentle on the limestone surface.
Apply the polish to the limestone surface. Polishes have different application techniques, so read the directions carefully. Some powders mix with water before application, while you spread other polishing powders over the surface and then just wet it as you polish. Other polishes come in liquid form.
Polish the limestone surface by rubbing the polishing powder or liquid into the surface in a circular motion, one section at a time. If you do not want to polish by hand, rent or buy a circular hand sander from a home improvement store and put a soft fabric pad on the sander. Place the pad of the sander against the limestone surface and turn the unit on, and then run the sander over the surface in small sections.
Continue polishing in this manner until you get the shine you want over the entire limestone surface. When done polishing, pour water over the limestone surface and use a wet vacuum to suck the water up from the surface.
Things you need
- Polishing powder or liquid
- Circular hand sander
- Wet vacuum