Does water stain marble?

• <div><p>Since marble is a porous material, it is more prone to water spots than other countertop options. Fortunately, pure water doesn’t damage your marble, but if the water is acidic, it can cause stains or water spots. Resealing throughout the year can help increase marble’s water resistance, too.</p></div>

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Q: Does limestone need to be sealed?

• <div><p>Like most stones, limestone should be sealed. Its porous nature makes it prone to staining from spills, and the iron in the stone can cause it to turn yellow when exposed to moisture or harsh chemicals. Proper sealing can help prevent these problems and protect the stone's appearance. </p></div>

Q: Can you use a power sander to clean mortar from bricks?

• <div><p>No, using a power sander on brick is not recommended because the force of the sander can destroy brick's fragile outer layer. Even using sandpaper on brick is discouraged because of the damage its abrasiveness can cause. </p></div>

Q: How often does granite need to be sealed?

• <div><p>Granite should be resealed every 12 to 18 months, depending on the color and usage. Lighter granite needs to be resealed more frequently than darker colors. If you use acidic cleaners or prepare food on the surface regularly, you must reseal the surface more frequently. Without proper sealing, granite is vulnerable to staining. You can tell if your countertop needs to be resealed by placing a wet paper towel on the counter for 10 minutes. If the water beads up, it is still sufficiently sealed; if it sinks in, it&rsquo;s time to apply sealant.</p></div>

Q: What are the dull spots on my marble floor?

• <div><p>If you notice dull spots on your marble floor, that could result from etching. If you&rsquo;ve used the wrong type of floor cleaner in the past or left a spill unattended for too long, your marble floor may have suffered some surface damage. While there are ways to <a href="https://www.angi.com/articles/stone-and-countertop-etching.htm">protect your natural stone from etching</a>, you may have to call in a professional for repairs.</p></div>

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Buffing and Polishing questions, answered by experts

Like most stones, limestone should be sealed. Its porous nature makes it prone to staining from spills, and the iron in the stone can cause it to turn yellow when exposed to moisture or harsh chemicals. Proper sealing can help prevent these problems and protect the stone's appearance.

No, using a power sander on brick is not recommended because the force of the sander can destroy brick's fragile outer layer. Even using sandpaper on brick is discouraged because of the damage its abrasiveness can cause.

Granite should be resealed every 12 to 18 months, depending on the color and usage. Lighter granite needs to be resealed more frequently than darker colors. If you use acidic cleaners or prepare food on the surface regularly, you must reseal the surface more frequently. Without proper sealing, granite is vulnerable to staining. You can tell if your countertop needs to be resealed by placing a wet paper towel on the counter for 10 minutes. If the water beads up, it is still sufficiently sealed; if it sinks in, it’s time to apply sealant.

If you notice dull spots on your marble floor, that could result from etching. If you’ve used the wrong type of floor cleaner in the past or left a spill unattended for too long, your marble floor may have suffered some surface damage. While there are ways to protect your natural stone from etching, you may have to call in a professional for repairs.

Since marble is a porous material, it is more prone to water spots than other countertop options. Fortunately, pure water doesn’t damage your marble, but if the water is acidic, it can cause stains or water spots. Resealing throughout the year can help increase marble’s water resistance, too.

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