How to Clean Limestone Patio | A Proper Guide For Cleaning Limestone


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This article’s primary objective is to educate us on “how to clean limestone patio.” Limestone is natural calcium carbonate (CaCO3), a sedimentary stone with a smooth, granular appearance and various hardness degrees. It is highly reactive to acids, so acidic cleaners such as citrus can easily etch or interact with calcium carbonate in ways that damage it. Limestone comes in three basic finishes: polished, semi-polished, and highly polished. Despite this, unless it is a hardened limestone grade, it will never polish to the same level as granite or marble.

How to Clean Limestone Patio

A slab or limestone floor is worth cleaning and regular maintenance. These floors create a beautiful stone patio, and generally, like natural stone floors, cost a fairly large investment, whether you buy it for your home or commercial landscaping. Cleaning and maintenance procedures will provide the floor with a beautiful, protected, and durable surface that can be used and enjoyed for many years. If properly maintained, a limestone tile or limestone patio will add beauty and functionality to your outdoor space.


  • Clean your patio using a vacuum cleaner with a floor attachment, broom, mop, or leaf blower to remove all loose debris.
  • Once you’ve removed all loose debris, rinse the patio with a garden hose fitted with an adjustable nozzle. It is important to wet the entire surface wall with water.
  • Treat stains with a sanitizer arrangement. . Pour enough over the stain to cover it totally. Clean the region delicately with a hardened fiber brush until the stain is no more. Stubborn stains may require acid cleaning or hydrogen peroxide. This substance can be very harmful to the surrounding landscape and humans and other living things. Acid cleaning should always be carried out by a professional.
  • Fill the spray tank with a solution made from one part chlorine to two to three parts water. Spray the patio with this solution and let it act for five minutes. Using hydrogen peroxide, rinse the entire patio.
  • Let the patio dry completely. Apply a slab or limestone sealer following the manufacturer’s instructions, if desired.
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How to Clean Limestone

To clean a limestone tile, you first need to know what makes it dirty. The stone is soft, porous, and stains easily; it is also sensitive to hard water. It should be treated with a specific penetrating sealer for these stones to reduce the potential for staining.

To properly clean limestone, you must take a few steps to get the job done right. Limestone is a very porous substance and can allow dirt and stains to penetrate the surface. Here are the basics on how to properly clean limestone.


  • Use water to clean the limestone surface. It is not advisable to start with aggressive chemicals if the water is sufficient. Take some warm water and use it to clean the surface of the limestone. If you are cleaning limestone on the floor, you may want to use a mop to get the job done as it will be easier for you. In case, you’re cleaning a small surface, you may want to use a rag to really get in and clean well.
  • If the water doesn’t work, you may need to use a stone cleaner. There are several different commercial cleaners available on the market. Buy one of these and mix it up in a mop bucket. Then use this solution to clean the floor.
  • Remove grit and dirt from the surface using a canister vacuum. Grit is the first abrasive to break down the sealant in natural tile. When the sealant breaks, the quality of protection is compromised, allowing stains or marks to occur more quickly. Daily cleaning of the floor should include using a mop without any treatment and placing mats to catch dirt in the entrances.
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  • Scour tiles with a nonpartisan pH stone cleaner explicitly affirmed for limestone. These are usually sprayed, but some products can be mopped and rinsed if you have a large area. You will need to dry the floor with towels as you clean to remove the dirt. Don’t wash limestone in your home with soap and water, as it builds up and makes the surface look gross.
  • Make Use of a toothbrush in cleaning the stains. Work in circles from the outside to the inside, mopping with a clean cloth. If the stain persists, stone and resin cleaners may be stronger or designed for a specific type of stains, such as oil or grease.
  • These are work by capillary action as I found on limestone a high % concentration (20%) hydrogen peroxide and diatomaceous earth seem to work the best, and it takes up to 48 hours to remove the stain.
  • Rinse your scrubbed tiles with soft or distilled water and dry them immediately. Don’t let water or fluids settle on the tiles. Soda, vinegar, fruit juice, or wine, and many bath material, are just a few liquids that etch and stain limestone.
  • You can clean your tiles with steam. Because limestone is porous, even if properly sealed, there are often crevices or holes where water and dirt can collect. Hard water in small holes can cause blackheads or discoloration. You can rent the steam engine at specialty stores or building supply stores. The steam’s heat and intensity, along with the moisture and absorption of the towel, should loosen and dissolve many types of dirt or stains. Dry your tiles completely after steam cleaning.
  • Reseal the tiles if water gets in, settles on the tile for five minutes, leaves a dark stain, or appears to have absorbed into the tile. Seal your tiles using a good quality sealer with a good reputation like Aqua Mix Sealer’s Choice Gold. Don’t wax the stone floor with waxes sold in supermarkets. Purchase a recommended type of polish or wax for your tile and sealer. The high quality –pressure method described above will perform satisfactorily in most cases, removing 80% or more of the visible dirt.


Buy a cheap floor steamer. If you have limestone tiled surfaces, you will use it enough to justify its cost. Some limestone may not be a good choice for the bathroom or damp places where hard water can have regular contact with the stone. Drying your tiles is the best way to keep them looking good. Polished tiles require more frequent deep cleaning, even when they are well sealed.

How to Remove Stains from Limestone

Limestone is often used for patios, pools, and bathrooms. These high humidity areas leave limestone prone to the development of mold stains over time. Using the wrong material can damage the stone. Never use acidic products that contain vinegar, ammonia, or even citric acid clean limestone. Once you’re done cleaning, be sure to thoroughly rinse the area.

  • Mix a solution of 1 tablespoon of bleach and 1 gallon of warm water and 1 teaspoon of bleach in 1 quart of water. It can be done manually in a 3 to 5 % dilution for traditional maintenance over a small area. 
  • Dip your scrub brush into the water and then use it to scrub the moldy area.
  • Allow the bleach to penetrate the limestone for five minutes.
  • Scrub the area again. However, alternatively, it can be applied with a scrubber-drier machine for larger areas, in which case the dilution will normally be 1 to 2 %
  • Wipe up the bleach cleaner with a clean sponge or rinse off the bleach solution with a hose. For tough stains, the final rinse is required after using a 5-10% concentrated solution.
How to Clean Limestone Patio

Tips and Warnings

The Centers for Disease Control recommends using a strong bleach solution, containing 1 cup of bleach for every 1 cup of water, when cleaning mold left after a flood. After cleaning, be sure to rinse the area well. More so, in cleaning organic stain – create a poultice with one of the powdered absorbent materials and a 12% hydrogen peroxide or acetone to remove the stain iron stains- by creating a poultice with commercial rust removal and diatomaceous earth.

How to Clean Limestone Patio: FAQ

Can I power wash limestone?

Yes, you can power wash limestone because it can easily remove dirt and lime scale in 15 minutes.

Is limestone good for a patio?

If you follow a few instructions when lying and take good care of it, limestone is a long-lasting and beautiful material suitable for the patio.

What is the best cleaner for limestone?

You need bathroom cleaners against limescale, acid-free bathroom cleaners for partition walls and fittings, and practical packaging for convenient use.

Black Diamond Stoneworks Stone & Tile Intensive...
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Last Words

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