Caring for your Stone Installation
The natural stone your have purchased for your home or office is an investment that will give you many years of beautiful services. Stone is a natural product and simple care and maintenance will keep it looking beautiful. Here are some recommendations for routine care and cleaning.

Basic Care
Marble should be washed with a clean, soft cloth and fresh warm water. Then as an additional safeguard, wash your marble twice a year with warm water and a mild detergent. This should remove any residue which may have become ingrained.

Do not use sandpaper or cleaners containing grit or abrasives on polished marble surfaces.

Use coasters under all glasses, particularly those containing alcohol or citrus juices. Many common foods and drinks contain acids that will etch or dull the stone surface.

Do not place hot items directly on the stone surface. Use trivets or mats under hot dishes and placemats under china, ceramics, silver or other objects that can scratch the surface.

Cleaning Procedures & Recommendations
Floor Surfaces

Dust mop interior floors frequently using a clean non-treated dry dust mop. Sand dirt and grit do the most damage to natural stone surfaces due to their abrasiveness. Mats or area rugs inside and outside an entrance will help to minimize the sand, dirt and grit that will scratch the stone floor. Be sure that the underside of the mat or rug is a non-slip surface. Normally, it will take a person about eight steps on a floor surface to remove sand or dirt from the bottom of their shoes. Do not use vacuum cleaners that are worn. The metal or plastic attachments or the wheels may scratch the surface.

Other Surfaces
Clean stone surfaces with a few drops of neutral cleaner, stone soap (available at hardware stores or from your stone dealer) or a mild liquid dishwashing detergent and warm water. Use a clean rag mop on floors and a soft cloth for other surfaces for best results. Too much cleaner or soap may leave a film and cause streaks. Do not use products that contain lemon, vinegar or other acids on marble or limestone. Rinse the surface thoroughly after washing with the soap solution and dry with a soft cloth. Change the rinse water frequently. Do not use scouring powders or creams; these products contain abrasives that may scratch the surface.

Bath and Other Wet Areas
In the bath or other wet areas, soap scum can be minimized by using a squeegee after each use. To remove soap scum, use a non-acidic soap scum remover or a solution of ammonia and water (about 1/2 cup ammonia to a gallon of water). Frequent or over-use of an ammonia solution may eventually dull the surface of the stone.

Vanity Top Surfaces
Vanity tops may need to have a penetrating sealer applied. Check with your installer for recommendations. A good quality marble wax or non-yellowing automobile paste wax can be applied to minimize water spotting.

Food Preparation Areas
In food preparation areas, the stone may need to have penetrating sealer applied. Check with your installer for recommendations. If a sealer is applied, be sure that it is non-toxic and safe for use on food preparation surfaces. If there is a questions, check with the sealer manufacturer.

Outdoor Pool & Patio Areas
In outdoor pool, patio or hot tub areas, flush with clear water and use a mild bleach solution to remove algae or moss.

Do's and Don'ts
 Do dust mop floors frequently 
 Do clean surfaces with mild detergent or stone soap
 Do thoroughly rinse and dry the surface after washing 
 Do blot up spills immediately 
 Do protect floor surfaces with non-slip mats or areas rugs and countertop surfaces with coasters, trivets or placemats
 Don't use vinegar, lemon juice or other cleaners containing acids on marble, limestone, travertine or onyx surfaces 
 Don't use cleaners that contain acid such as bathroom cleaners, grout cleaners or tub & tile cleaners 
 Don't use abrasive cleaners such as dry cleansers or soft cleansers 
 Don't mix bleach and ammonia; this combination creates a toxic and lethal gas

Call your professional stone supplier, installer or restoration specialist for problems that appear too difficult to treat.

The Marble Institute of America offers a brochure that includes information on treating spills and stains on natural stone surfaces. One free copy is available by sending a self addressed, stamped business size envelope (32 cents) to the Marble Institute of America, 30 Eden Alley, Suite 201, Columbus, Ohio 43215 USA.
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