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Q. We had a new lueders limestone fireplace surround installed. There are darker stripes on each side of all grout lines. Installer said grout was not acrylic, but grout did have some colorant. Stone has dried now three weeks and stains still present... Read More

Q. We have mold buildup in grout joints and surface has film on it. What is best to clean mold and remove film from surface?   A. There are several cleaners that will remove the mold but you must be careful to choose one that will not damage the... Read More

Q. What is the proper grout for an exterior limestone walkway? Is there a dry grout that can be swept between the stone? Where would I look for stone dust? A. The proper grout will depend on how the stone is set. Will it be set in mortar or placed on... Read More

Q. What is the best cleaner to use on limestone floors? The floors in my bathroom are starting to look very dirty, with grayish marks and spots all over. A. It sounds like your floors have been etched -- probably by using an acid based cleaner. Many... Read More

Q. I bought lagos azul limestone back in December and it is getting installed in sections. I would greatly appreciate it if you could help me. I am hoping you might know a solution or can refer me to someone. My kitchen contractor installed the tile... Read More

Q. How should I seal my limestone floor? A. Select a quality sealer for stone. Ask your professional stone and tile restoration contractor for recommendations. Initially, three applications or more may be required to seal the stone. To determine... Read More

Q. Is there any harm in not having my limestone floor restored right away?A. If you are considering restoration, the cost would be a lot less to fix a small area rather than waiting until the entire floor is in need of work. Contact your... Read More

Q.  My son spilled apple juice on my new limestone floor and now there are marks. Can this be fixed? A.  Limestone is extremely sensitive to acids and most likely the dull spots are where the acids in the apple juice have now etched the stone.... Read More

A common problem with limestones and some marble buildings is that they get a brownish yellow hue after cleaning. Most of the time we find that there is a high content of iron in the water used to clean the stone. Use a chelating agent in the wash... Read More

Q. How do get the stain from furniture polish to come up? We used Scott’s liquid gold and accidentally ended up with a ring on the limestone hearth. A. These type of stains can be difficult to remove. You will need to use a poultice with a... Read More