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Limestone Cleaning & Restoration


Limestone is calcareous sedimentary rocks which are formed at the bottom of lakes and seas with the accumulation of shells, bones and other calcium rich goods. It is made of calcite (CaCO3). The organic matter which settles in seas and lakes is preserved as fossils. Over time and throughout the span of thousands and millions of years, layer after layer is built up accumulating weight. A chemical reaction caused by the heat and pressure that occurs at the bottom creates sediments and turns into solid stone, the limestone.

Most limestone is comprised of more than 95 percent calcium carbonate, meaning it is a calcareous stone. This means that it is highly sensitive to acid such as vinegar, alcohol, and citrus fruits — therefore it would not be an ideal material for kitchen counter-tops, bars, and bathroom areas. When introduced to these harsh liquids the stone will react negatively by etching and dulling, and may even show rough spots and rings. These issues can generally be rectified by a professional service such as honing and polishing. 5 Star Cleaning & Restoration utilizes an array of cutting-edge methods and products to remediate this type of damage.

Is Limestone Durable?

Limestone varies greatly in hardness, density and porosity from one stone to the next. It would not be recommended to use it as a cutting board in a kitchen or to place household objects on it that may create scratches, such as keys or canisters. There are some limestones that are very dense and hard, so they can be finished with a polished or a glossy shiny surface. On the contrary there are softer stones that cannot be polished to this high gloss finish naturally — and shouldn’t be. Simply said, limestone is “hard” to the touch, but not durable in a heavily utilized environment.

Generally speaking, limestone is very porous and will absorb liquids. It most definitely should be sealed regularly. The amount of porosity will vary depending on the type of limestone. 5 Star Cleaning & Restoration recommends cleaning and sealing your limestone surfaces at least once per year to ensure their intended aesthetics. We can also use a color-enhancing sealer to bring out the rich colors of your stone and subtly change its appearance. At times, limestone will become abraded and worn and will need stone restoration prior to sealing.

If you have a water damage emergency you need immediate water remediation help.

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