No, you didn’t do anything wrong. When granite is sandblasted the force of the abrasive destroys the crystal structure of the granite. This is why you are seeing a blotchy appearance. Unfortunately the damage has been done and there is very... Read More

Q. We had a beige sandstone counter top installed for an outdoor kitchen. It is sanded smooth and was sealed with a sealer (don‘t know what kind just said Sealer on the can) about 3 coats. Some was spilled on our manufactured patio pavers which... Read More

Q.  Hi. I have what appears to be an oily stain (which I think is from candle wax) on sandstone hearth. It's been there several years. Is there any hope of getting it out? I tried acetone and it did nothing. Any help for advice you can... Read More

Q. I am trying to learn more about Rainbow sandstone for a bathroom floor. We can get some tile that is 1" thick but I wonder if thinner sandstone is available, and is thinner okay to use? I only can find suppliers from India; very little on the... Read More

Q. I have a sandstone fireplace from the 80s; the previous owners had a fireplace screen door on it and they caulked around the door onto the stone. I removed the fireplace screen door and caulk, but it left a stain that I can't remove. I have... Read More

Q. We grouted our beautifully installed marble backsplash with Mapei FA+ (color: rain) without sealing it first. It is now grey instead of white. Is there anything I can do to restore the tile to its natural color? I wonder how much the grout color... Read More

Q. My honed black granite looks streaky, (from sealer application). How do I remove the sealer or do I need to re-sand the stone?A. You may have to call in a stone restoration professional on this. But first try this: Pour some acetone (the kind you... Read More

Of course you can use an oscillating sander but an oscillating sander tends to leave a stray scratch pattern that can be difficult to remove. I have found the best method is to use a rotary polisher for best results. TIP If the top is large enough... Read More

Unfortunately, there is nothing you can put on the floor that will prevent it from scratching. You may find it useful to place several walk-off mats, both inside and outside the entrances, to help trap most of the sand. Dust-mopping the floor as... Read More

Q. We recently had some staining on our sandstone patio pavers where merbau timber was left on several pavers. Could you please help with how we might remove these stains?  A. Merbau is known for its rich reddish-brown color and natural oils and... Read More