Limestone is a sedimentary rock which is formed at the bottom of the ocean. It consists wholly or mainly of calcium carbonate. In its pure state it is white but it may be coloured by other materials. This calcite is sourced primarily from the shells and bones of marine organisms. The sediment that builds up preserves these organisms into fossils. Over millions of years the heat and pressure cause a chemical reaction which turns this sediment into limestone.
How to Clean Limestone Tile
Limestone has, despite these negative aspects, been a popular choice for floors for many years and despite its delicacy and porosity compared to say slate or marble - is deceptively tough and more hardwearing than many people would imagine. The key to maintaining limestone's rugged and timeless aesthetically pleasing appearance is careful cleaning and maintenance and above all - protecting the surface.
What is Limestone
Types of Limestone Tiles
Many older buildings have durable limestone flooring. This is the chalky porous type typical of most French and Spanish limestone. Etched by acids, including soft drinks. Absorbs oils and other liquids and is more easily stained than marble. Composed of Calcite and some Magnesium. Common colors are black, gray, white, yellow and brown. Has a smooth granular surface. Varies in hardness. Should be sealed with a penetrating sealer to prevent staining and reduce soiling. Should only be cleaned with neutral pH detergents. Because it is soft, it should never be cleaned at pressures above 800 PSI and then only if the grout is in good condition.
Before cleaning your Limestone tiles, you need to remove all grit and surface dirt using a canister vacuum cleaner. Grit is the primary abrasive that breaks down the sealer on natural tiles. When the sealer breaks down, its protective quality is compromised, allowing stains and marks to occur more quickly. Daily floor cleaning should include using an untreated dust mop as well as mats to trap dirt at entryways.
All limestone is highly porous - a tablespoon of water on a limestone surface will be absorbed in seconds, although it does vary in porosity from piece to piece. Porosity is also affected by its finish - highly polished limestone is a little harder to penetrate than limestone with a honed (matt) finish.
We provide specialised cleaning solutions for Limestone floor and wall tiles
Save yourself time, effort and money and let our team of professionals bring your Limestone back to its best possible condition.
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