Q: Looks like my installer got plumbers putty on my brand new unsealed natural stone sink, leaving spots or smudges. Any way to remove therm?A: They can be removed with a technique called poulticing. You will need to use a strong solvent such as... Read More

Q. I put extremely microwaved hot vinegar and water on my natural stone and let it sit there, thinking it would clean it, but it discolored the stone badly. I imagine the only answer is to replace those tiles. What are your thoughts?    A. The good... Read More

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

How Long Silicon Impregnators Last and When to Reapply Many different factors contribute to the longevity of silicon impregnators, including the stone type, porosity, and finish, as well as how much traffic and use the area gets and what kind of... Read More

Two Ways to Test Stone Sealer Performance If you want to do a field test to find out whether the sealer on natural stone is performing, you can choose a quick, informal test, no equipment required, or a more scientific test using a Rilem tube. Here... Read More

What You Need to Know About Applying Coatings Over Silicon Impregnator The most important thing to do when applying coatings is to make sure you are able to achieve proper adhesion.  Fred Hueston, Chief Technical Director of Surface Care Pros and... Read More

What You Need to Know About Silicon Impregnator Removal When it comes to silicon impregnator removal, the results will vary depending on what type of surface the impregnator was applied to, how long it has been there, and what methods you are using... Read More

Do Not Apply a Silicon Impregnator Over a Stain If natural stone is stained, applying a silicon impregnator is a bad idea. The stain should be addressed first. Once the stain is removed, then apply the impregnator. Fred Hueston, Chief Technical... Read More

Customize Your Silicon Impregnator Application Methods Different types of natural stone have unique properties, so restoration and protection methods will vary from one stone to the next. When it comes to silicon impregnators, here’s what you... Read More

What Impregnator is Supposed to Do Ideally, when impregnator is applied to stone, it penetrates into the pores of the stone. However, this isn’t always the case.  What Causes Impregnator to Bead Fred Hueston, Chief Technical Director of... Read More