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Remodeling 101: How to Care for Marble Countertops


Remodeling 101: How to Care for Marble Countertops

November 16, 2017

Marble has long been used in European kitchens, even though this gorgeous stone can stain and discolor with use. And despite its reputation as high-maintenance, its classic, luxurious look has arrived in many American kitchens. “People like marble for its natural beauty, even though it can show wear and tear over the years,” says expert Michael Bruno, a salesperson with the tile and stone company Ann Sacks. “Every house in Europe has a stone countertop—it’s only in this country that people think everything has to look brand-new.”

A marble countertop in a kitchen where cooking happens won’t always look pristine, no matter how well you maintain it. But that’s part of the beauty of natural stone, says Bruno; over the years it acquires a patina that lends character, and many people consider that an asset. But there are still some things you can do to protect and preserve it. We asked Bruno for his advice on the best way to care for a marble countertop.

 carrara and arabescatto marble in a plain english kitchen; see plain 17
Above: Carrara and arabescatto marble in a Plain English kitchen; see Plain English: Bespoke British Kitchen Design Comes to the US.

1. Start with a good sealant.

“Marble is one of the more porous stones, so you have to protect the surface by keeping it well sealed,” says Bruno. “When you buy the countertop, there’s no sealant on it. You could ask the installer to apply the sealant, but you can easily do it yourself once the countertop is in place.”

Sealant is needed for whatever finish you have on your countertop. The most common marble finishes are either polished, for a high-gloss surface, or honed, which produces a softer matte surface. “These days, ninety percent of marble kitchen countertops are honed,” says Bruno. “That doesn’t show scratches as much as a polished surface, but it does leave the stone more susceptible to stains.”

Applying a penetrating sealant is simple. “Make sure the surface is clean and dry, and just wipe the sealant on with a soft cloth,” Bruno says. Ann Sacks uses Miracle Sealants Porous Plus, but Michael says other products are just as good. “Everyone sells stone sealant—you can get it at Home Depot or just your corner hardware store.” (Miracle Sealants Porous Plus sells for $44 per pint at Home Depot.)

Under normal use, the sealant should last about a year before it needs to be reapplied, Bruno advises, “so long as you aren’t using harsh cleansers on your countertop.” You’ll know it’s time for more sealant when you no longer see water drops beading on the surface.

honed marble paired with offset tile in charles mellersh kitchen marble co 18
Above: Honed marble paired with offset tile in Charles Mellersh Kitchen Marble Counter.

2. Clean daily—with care.

To ensure that the sealant remains effective, you should wipe down your countertop daily using a nonabrasive cloth or sponge and only a mild soap (such as dish detergent) and water. Clear up spilled food right away, before it can seep in and cause a stain or discoloration (that can happen overnight, even with sealant in place). And obviously, keep some good-sized cutting boards on hand for food prep so that staining substances won’t come in contact with the countertop. Coasters help, too—red wine and coffee-cup rings are common culprits.

“I’ve had people say, “Why does my marble countertop already look horrible only three months after it was installed?’ ” says Bruno. “I ask them what cleansers they’re using, or tell them to ask their cleaning person or their husband. If it’s something abrasive, they’re stripping away the sealant and leaving the stone wide open to stains.”

But stains aren’t the only things you have to be concerned about. Marble is also prone to what’s called etching—that is, dull marks on the surface caused by contact with acidic substances. You’d be surprised how many cooking ingredients are acidic—lemon juice, vinegar, tomato sauce; the list goes on. Etching marks can’t just be buffed away; they require more aggressive treatment.

a thick marble counter with stone quarried from the hisnet inlet quarry on vanc 19
Above: A thick marble counter with stone quarried from the Hisnet Inlet quarry on Vancouver Island. Read more in Kitchen of the Week: A Monumental Marble Countertop.

3. Remove stains and etching.

When cleaning with mild soap and water doesn’t work, or on areas that are “etched,” you’ll need to take more aggressive action. Step up to a cleanser such as Soft Scrub or even Ajax with bleach, applied with an abrasive sponge. That will remove the sealant and allow you to scrub down to the stain. “When you’re done, you’ll find that the area you’ve worked on looks brighter than the rest of your counter,” says Bruno. “So then you need to go on to clean the rest of the counter the same way. Then rinse it thoroughly and let it dry completely—maybe even for a couple of days. Once it’s dry, pour the penetrating sealant all over the surface and spread it around with a soft cloth.”

white marble counters and a marble under mount sink in kitchen of the week 20
Above: White marble counters and a marble under-mount sink in Kitchen of the Week: A Simple System from Studio MacLean in London.

4. Vanquish stubborn stains.

If you can’t remove a stain by yourself, it may be time to call a stone refinisher. “They’ll do a professional cleaning using special grinders, and perhaps fine-grit sandpaper,” says Bruno. But Bruno doesn’t discourage homeowners from using fine sandpaper on a marble countertop themselves. “Don’t worry about hurting your stone,” he says. “If there’s a nick or chip, you can smooth it out with sandpaper. You can also try that on a stain—just remember to reseal the surface when you’re done.”

As reassurance, he offers this extreme case: “My wife and I recently bought an antique marble table that had been left outside and actually had algae growing on it. I got all the stains out using an electric sander and some diluted bleach.”

Bruno also recommends learning to live with the flaws. “In Italy no one would look at a natural stone countertop and say, ‘Oh no, there’s a stain from a New Year’s Eve party seventeen years ago!’ A little etching and staining is normal wear and tear—it just becomes part of the kitchen.

a petite kitchen with a repurposed marble slab, salvaged from an earlier projec 21
Above: A petite kitchen with a repurposed marble slab, salvaged from an earlier project. See Kitchen of the Week: A Before & After Office Rental in Seattle.

For much more on marble, see Remodeling 101: Marble Countertops and Remodeling 101: The Difference Between Carrara, Calacatta, and Statuary Marble.

And for more on different types of countertops (pros, cons, and maintenance level included), see:

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Frequently asked questions

What is marble?

Marble is a natural stone that is formed from limestone under intense heat and pressure. It is known for its elegance, unique veining patterns, and wide range of colors. Marble is commonly used for countertops, flooring, and other decorative applications.

Why choose marble for kitchen countertops?

Marble countertops offer several advantages:
Aesthetics: Marble's luxurious and timeless beauty adds elegance and sophistication to any kitchen.
Heat resistance: Marble is naturally heat resistant and can withstand hot pots and pans.
Natural cooling properties: Marble remains relatively cool, making it ideal for rolling out dough or working with pastry.
Value: Marble countertops can increase the resale value of a home due to their desirability and durability.

Are marble countertops durable?

Marble is a relatively soft stone compared to other countertop materials like granite or quartz. While it is durable and can last for many years, marble countertops are more susceptible to scratches, chipping, and staining. Proper care and maintenance are essential to preserving their appearance and longevity.

How do I clean marble countertops?

Cleaning marble countertops requires gentle care:
Use a mild, pH-neutral cleaner specifically formulated for marble.
Mix the cleaner with warm water and apply it to the countertop using a soft cloth or sponge.
Gently wipe the surface to remove any dirt or spills.
Rinse thoroughly with clean water and dry with a soft cloth to prevent water spots.

Can marble countertops stain easily?

Marble is a porous stone, which means it can absorb liquids and potentially stain. Certain substances like red wine, acidic juices, and oils can penetrate the surface and leave stains if not cleaned promptly. It's important to wipe up spills immediately and avoid leaving acidic or staining substances on the countertop for extended periods.

Do marble countertops require sealing?

Yes, sealing marble countertops is recommended to help protect against stains and damage. A high-quality penetrating sealer designed for natural stone should be applied periodically, typically every 6 to 12 months, or as recommended by the manufacturer. Be sure to follow the specific instructions provided by the sealer manufacturer.

Can I cut directly on marble countertops?

It is not recommended to cut directly on marble countertops. Marble is softer than materials like granite or quartz and can be scratched or damaged by knives or other sharp objects. Always use a cutting board or protective mat to prevent scratches and preserve the countertop's appearance.

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