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- Efflorescence - Removal and Prevention Efflorescence - Removal and Prevention By Frederick M. Hueston www.stoneforensics.com The crystallization of soluble salts in Historic masonry causes severe deterioration of the substrate. This crystallization is called subfl... Read More
- How to Remove a Rust Stain on Stone Q. I randomly stumbled on your website. I have a quick question if you’re willing to share advice. I have marble (or it’s quartzite) in my bathroom, and somehow it’s rusting where the faucet is. The stone is changing a rust color. I... Read More
- How to Remove Chocolate S’more Stains on Stone Hearth Q. We have 4 chocolate stains on our natural stone hearth. The stains have been there just a few days. We got off the actual chocolate (probably Hersey’s chocolate for smores) and tried to clean the stain with a windex surface cleaner. It helpe... Read More
- How To Remove Oily Candle Wax Stain On Sandstone 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 provid... Read More
- How To Remove a Stain on Quartzite Countertop Q. I spread a dark blue hand towel on the counter top and was working on it, when I removed the towel a couple hours later a darkened stain/discoloration was left behind that outlined where the towel was. I tried Stonetech Cleaner on it, but it won&l... Read More
- Section of Newly Installed Stone Is Darker Than Surrounding Stone Q. Natural stone tile installation has water marks that aren’t fading after 2 weeks of installation. Should I apply a poultice to remove the moisture? MSI sells the stone. It's called white oak. It's honed marble, 24 inch tiles, and... Read More
- How to Remove White Build-up on Marble Q. I have an (intentionally) distressed marble seat in my shower. After years of use, there is a build up of white on top of it. How do I get ride of it? Thanks. A. White residue on the top of stone can be attributed to several things. Ask thes... Read More
- What can we do to clean marble lobby floors in our various commercial buildings? Q. What can we do to clean marble lobby floors in our various commercial buildings? A. The yellowing and graying of certain Italian and Greek white marbles is a common problem that I see all over the world. There are several possible causes for th... Read More
- Installing large format marble tile on kitchen wall. Q. We are considering using a large format marble tile on a kitchen wall. The tile is 7 1/2" X 24" X 3/4". Is this size tile too heavy to use on a wall? Is special thinset needed? Currently the wall is lathe and plaster (100+ yr old home), should t... Read More
- Can cement tiles or ceramic tiles be installed on top of Corian or Avonite? Q. Can cement tiles or ceramic tiles be installed on top of Corian or Avonite? I am restoring a kitchen on a tight budget, and I prefer to cover the existing countertops vs rip out and replace. A. Yes, you can install them directly over the Corian... Read More
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