C.L. Frost, Inc. Services

Restoration: Clean & Seal

Protective Sealers

The best way to prevent stains on stone is to treat it with a Dupont StoneTech Professional protective sealer. Natural stone can be very porous. Sealers repel spills on the surface giving you time to wipe them away before they have a chance to penetrate your stone.

Some sealers can enhance (darken) your stone while others retain the stone’s natural hue. Also, different stone types require different grades of sealer depending on what you will be using your stone for and what you want your stone to look like.

As kiln-fired products, ceramic tile and porcelain tile are nearly impervious to liquid. Tile grout, on the other hand, is another story. It is generally cement-based, very porous, and needs to be sealed. Penetrating grout sealers like Dupont StoneTech Advanced Grout Sealer work best to protect grout joints against water and oil based stains.

Daily Maintenance

Once your stone or tile is sealed with Dupont StoneTech sealers, clean up is a snap. But what should you use for everyday cleaning?

You wouldn’t use a harsh, ordinary household cleaner to wash your nice car, would you? Natural stone demands the same kind of attention-it needs cleaning products that are specifically made for its unique mineral composition. For everyday cleaning, use a mild soap and water or Dupont Revitalizer Cleaner and Protector which cleans with a gentle formula that removes soils while reinforcing the original protective seal to help prevent future staining.

General cleaners not specifically formulated for natural stone or tile aren’t recommended. These can break down the sealer, thereby removing its protective properties and making the stone or tile grout susceptible to stains.

Worse yet, many cleaning products, including those that contain abrasives, lemon, vinegar, bleach or ammonia can etch away the polish, discolor the surface, or even scratch your stone. Avoid using these products.

Etch Marks

While everyday messes aren’t the end of the world, many common household items have the power to degrade the beauty of your stone or tile.

Etching is a result of a chemical reaction that occurs when acid comes in contact with a surface. Etch marks on stone surfaces resemble water spots or a worn polish.

Seemingly innocent items like orange juice, coffee, vinegar, wine, tomato products, mustard and many soft drinks are highly acidic and will etch, discolor, or even scratch most marble, limestone and travertine and grout. Ceramic and porcelain tile and acid resistant stones such as most granite, slate and sandstone will typically not etch.

Sealing will give you time to wipe up a spill, but it cannot stop the chemical reaction that may leave a dull mark. Remember to always use coasters and place mats on these acid-sensitive stones.

Kitchen and Bathroom Counters

Many household foods, beverages, and cosmetics can degrade tile grout and damage stone. Common toiletries like perfume, mouthwash and toothpaste, as well as common foods such as orange juice and soft drinks contain acids and other ingredients that can degrade sealers or damage your stone’s surface.

Whether you have stone slab counters or stone, ceramic, or porcelain tile counters, using DuPont Stone & Tile Cleaner will remove residues from cooking oils, everyday food spills, and hairspray.

Stone or Tile Floors

Clean your interior stone and tile floors frequently using a clean, non- treated, dry dust mop, as abrasive particles of sand and dirt can damage natural stone and tile surfaces. Mats outside you entrance ways will help minimize damage. Also, be careful when using a vacuum cleaner as the metal or plastic attachments and wheels can scratch the surface.

Damp-mop your stone or tile floor with a properly diluted solution of one of the daily Dupont StoneTech stone and tile cleaners. Avoid walking on the floor until completely dry, as wet floors tend to be slippery.

What to do when a Spill Occurs

Food and Drink Spills

Quickly scoop up the food and wipe away the liquid spill with a clean dry cloth.


Let the mud stain dry completely before removing dried mud with a soft plastic or nylon brush. Spray with Dupont StoneTech cleaner. Wipe dry with a clean cloth. Repeat if necessary. If the stain remains, contact a stone care professional.

Oily Stains

If you know the stain is oil-based (from foods like salad dressing, cooking oils, butter or some cosmetics), use Dupont Oil Stain Remover to wick up the stain from deep within the stone.