Limestone is a relatively soft stone that is susceptible to scratching. Limestone should be protected from scratching by using cutting boards for knives. Trivets and placemats should be used under all ceramic, china, and other vessels to prevent the possibility of scratching.
Limestone is more porous than many natural stone countertop materials and is extremely susceptible to staining. Coasters and placemats should be used to prevent staining for all drinking glasses or dishes, including water glasses. Avoid leaving any spilled substances on limestone for even a short period of time to reduce the chance of staining (including juices, alcoholic beverages, oils, greases, cosmetics, and standing water). It is recommended that limestone be periodically resealed with a penetrating stone sealer to help reduce staining.
Limestone, like marble and other calcareous stones, is acid sensitive. Therefore, acidic products, such as lemon or tomato juice, should not be used on limestone because they will cause the material to etch, changing the surface finish and dulling the texture.
Wiping spills immediately and taking caution to use only cleansers specified for limestone will help avoid etching your countertop. Storing perfume & similar containers on a piece of glass works well to protect a vanity surface.
Limestone has the potential to burn, so hot pots and pans should not be set directly on countertops. Use trivets, potholders and placemats to protect limestone surfaces.
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