The Ultimate Guide to Cleaning Bedford Stone: Expert Tips & Tricks

Bedford stone, with its distinctive grey hue and subtle mottling, is a timeless choice for countertops, floors, and feature walls. This natural limestone, quarried in Indiana, is prized for its durability and classic elegance. However, like all natural stone, it requires specific care to maintain its beauty and longevity. Understanding how to clean Bedford stone correctly is the first step in preserving its unique character and preventing irreversible damage.

Because Bedford stone is a porous material, it is highly susceptible to staining from common household substances like coffee, wine, oil, and acidic cleaners. Improper cleaning methods, such as using vinegar or bleach-based solutions, can strip the stone's natural sealant and etch its surface. The goal of maintenance is to remove surface dirt without compromising the integrity of the stone. This involves a two-step approach: routine cleaning to manage daily soil and deep cleaning to address embedded grime and existing stains.

Daily Upkeep and Dry Cleaning

Consistency is the most effective tool when learning how to clean Bedford stone on a daily basis. You do not need harsh chemicals for simple surface dust and dirt. By implementing a simple dry protocol, you prevent abrasive particles from grinding into the stone surface during the next cleaning step.

• Use a soft-bristled broom or a dry microfiber dust mop to remove loose debris from floors and countertops.
• For vertical surfaces like fireplace surrounds, a dry microfiber cloth or duster works well to lift dust without scratching.
• Immediately blot up any spills, particularly those containing acids or pigments, using a clean, dry cloth to prevent them from seeping into the pores.

The pH-Safe Wet Cleaning Method

When it is time for a deeper clean, selecting the right cleaner is critical to answering how to clean Bedford stone safely. You must avoid acidic and alkaline products at all costs. Instead, you should utilize a neutral pH stone cleaner or a very mild solution of dish soap diluted in warm water. This neutral environment cleans effectively without degrading the polish or sealant applied to the stone.

Follow these steps for the wet cleaning process: Mix your pH-safe solution in a bucket. Dip a soft cloth or sponge into the solution, wring it out thoroughly so it is damp rather than soaking wet, and wipe the surface. Rinse the cloth frequently to avoid redepositing dirt. Finally, dry the area completely with a clean towel to prevent water spots from forming as the moisture evaporates.

Tackling Stains: The Poultice Approach

Even with diligent care, stains are often inevitable with natural stone. If you are dealing with organic stains like wine or oil, or inorganic stains from rust or ink, you must use a poultice. A poultice is a paste-like substance that draws the stain out of the stone rather than trying to push it deeper with water and scrubbing.

To create a poultice, mix a powdered cleaning agent (specifically designed for stone or contains tri-sodium phosphate) with a liquid, such as water or hydrogen peroxide, depending on the stain type. Spread the thick paste over the stained area, ensuring it is about a quarter-inch thick. Cover the area with plastic wrap and let it sit undisturbed for 24 to 48 hours until it is completely dry. Once dry, remove the paste and rinse the area with clean water, drying it immediately.

The Importance of Sealing

One of the most effective ways to make future cleanup easier is to ensure your Bedford stone is properly sealed. A high-quality penetrating sealer creates a barrier within the pores of the stone, slowing down the absorption of liquids and giving you time to blot spills before they cause permanent damage.

You should test the integrity of the sealant periodically by placing a few drops of water on the stone. If the water beads up and rolls off, the seal is active. If the water darkens the spot and absorbs into the stone, it is time to reapply. Typically, sealing should be performed every 1 to 3 years, depending on the level of traffic and usage the stone receives.

Tools and Products to Avoid

Knowing what not to use is just as important as knowing what to use when maintaining Bedford stone. Abrasive tools and chemicals are the primary enemies of this elegant material. By steering clear of the following items, you can prevent scratches, etches, and dulling of the finish.