Limestone is a type of sedimentary rock commonly used for outdoor paving, countertops, shower surfaces, and wall tiles. Although it is relatively soft, limestone can last a long time with proper care. However, it is susceptible to etching from acidic substances, heat damage, and scratching. That’s why it’s essential to know the right ways to clean limestone to keep it looking beautiful and damage-free.
Improper cleaning and maintenance can wear down the stone, and any damage may require professional restoration. Strong cleaning agents that are not pH-neutral can potentially harm the surface of limestone rather than help it. If needed, professionals can assist you.
In this blog, we will learn some of the best ways and a step-by-step guide to cleaning limestone surfaces.
4 Best Ways to Clean Limestone Surfaces
While limestone has a porous and delicate surface, it can be easily cleaned using some of the best and safest methods. Here are some:
1. Pressure Washing (Outdoor Limestone Only)
Pressure washing is an effective method for cleaning outdoor limestone surfaces, such as patios or facades. Use a low-pressure setting to avoid damaging the stone, as high pressure can cause surface erosion and expose the porous structure to further staining.
Always keep the nozzle at a safe distance and test in an inconspicuous spot first to ensure there’s no unwanted etching or splintering of the limestone.
2. Steam Cleaning (Sealed Limestone Only)
Steam cleaning is suitable for sealed limestone surfaces and helps lift dirt without chemicals. Use sparingly, as excess moisture or heat can weaken sealants.
Avoid using steam on unsealed or damaged limestone to prevent cracking or discoloration.
3. Poultice Stain Removal (For Deep, Set‑in Stains)
You can also use the poultice to remove stains. A poultice is a thick, absorbent paste used to draw deep or set-in stains out of porous stones like limestone.
It is especially effective for organic stains, such as from wine, oil, or food, by lifting discoloration trapped below the surface without harsh scrubbing or damage.
4. Damp Mopping with pH-Neutral Cleaner (Daily Indoor Maintenance)
For regular stone cleaning, mop limestone floors using warm water mixed with a pH-neutral cleaner. Avoid acidic or alkaline products. Rinse thoroughly to prevent residue and use a soft mop to avoid scratches. Wet mopping for limestone keeps the stone clean while protecting its natural finish.
Step-By-Step Guide to Clean Limestone Surfaces
Step 1: Gather Your Limestone Cleaning Supplies
To properly clean and maintain limestone floors, you’ll need the following tools and supplies:
- Vacuum (with brush attachment)
- Soft broom
- Dry mop
- Sponge mop
- Bucket
- Gentle/soft towels
- Mild dish soap (or)
- Limestone-specific cleaner (recommended)
- White flour
- 3% Hydrogen peroxide
- Limestone-safe stone sealer
Step 2: Vacuum, Sweep, or Dry Wipe the Limestone Surface
Use a vacuum, broom, or dry mop to remove loose dirt from limestone. Dry-wipe counters and walls with a soft cloth to prevent scratches.
Step 3: Wet Clean of the Limestone
Mix warm water with a mild soap. Mop floors or wipe surfaces gently with the solution, allowing dirt to dissolve. Avoid harsh tools and solutions, like acidic or abrasive cleaners to protect the stone.
Step 4: Stain Removal
With 3/4 cup of flour and a few drops of 3% hydrogen peroxide, you can create a paste to use as a poultice. Apply the paste to the stain and leave it to dry. Once dry, carefully remove it with a soft-edged scraper.
Step 5: Rinse Surfaces Thoroughly
Rinse the limestone with clean, warm water, using a fresh mop or rag. Repeat until all soap residue disappears to prevent film and dullness on the stone.
Step 6: Reapply Limestone Sealer
After cleaning and drying, reapply limestone sealer to enhance protection against stains and damage. Use a quality sealant for extended surface preservation.
How Can a Professional Help: Get Expert Limestone Cleaning
Wet mopping, light steam cleaning, and household remedies, like dish soap and hydrogen peroxide, are some of the best ways to clean limestone. However, when the stain persists or if you’re worried about damaging your limestone surfaces, calling professionals is the best choice.
At Fresh N Clean SWFL, we are dedicated experts in professional natural stone cleaning, including limestone and granite. With years of experience and attention to detail, we ensure no stain goes uncleaned without neglecting safety. Our skilled, trained, and certified professionals go beyond the surface to enhance the beauty and durability of your stone surfaces.
Get a free quote for your natural stone cleaning and enjoy flawless limestone surfaces.
FAQs
Can I use vinegar or bleach to clean limestone floors?
No, avoid using vinegar, bleach, or any acidic or harsh cleaners on limestone. These can etch, discolor, or damage the surface. Always use a pH-neutral stone cleaner specifically designed for natural stone surfaces.
How often should I reseal limestone surfaces?
You should get your limestone resealed every 1 to 3 years, depending on foot traffic, exposure to moisture, and the quality of the sealer used. High-use areas may require more frequent resealing to maintain protection and appearance.
Can I steam clean limestone surfaces?
Yes, but only if the limestone is sealed and in good condition. Use a low setting and avoid overuse, as excessive heat or moisture can damage unsealed or porous limestone by weakening the stone or penetrating the surface.
How often should I clean limestone surfaces?
While the frequency of limestone cleaning varies based on exposure to dust, rain, UV rays, and temperature, you can get your surfaces cleaned once every year or two. Call us for a thorough insertion of your limestone surfaces!
