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I have a granite kitchen counter top that is uneven. The top is made up of two slabs. The slabs are uneven where they join at the grout line. Can I grind the slab and even it out and more importantly can I match the existing shine?

You can grind the uneven counter flat but, I would first check to see why the slabs are uneven. It is possible that the plywood under the slabs has shifted or the granite was installed uneven. Check to make sure the slabs are secure. After the... Read More

We have a black marble floor that appears to have raised veins. In other words the white veins in the marble appear to be lifting up and in some places are falling apart. What causes this to happen?

I am assuming that the black marble you are referring to is negro marquina. If this is the case you will find that this type of black marble is very susceptible to spalling of the veins. Over-polishing with either powder polishes or recrystallization... Read More

Stained Sandstone

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Q. Hi. I recently had a patio laid in natural sandstone and my builders used a cement coloring in the pointing. When wiping down with wet sponges, they have left stains on the sandstone. What do you recommend?  Is there anything we can do? Builders... Read More

We installed a marble shower wall, and the contractor used an acid to clean it. We had it professionally repolished, but it keeps getting etched after we take a shower. What’s causing the etching and how do we correct it?

I will assume you are not cleaning it with acid cleaners. There is a possibility that there is some residual acid in the grout or the pores of the stone that bleeds out when you take a shower. Try rinsing the shower wall with a solution of baking... Read More

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