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 to Keep Travertine Floor Grout Lines Clean Professional contractors understand that the cleanliness of travertine grout lines can make or break the overall appearance of a travertine floor. Unfortunately, in many cases, dirty travertine grout... 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. The unsanded grout used for our shower states it’s not necessary to seal grout. However, I decided to but notice the grout does not bead off the grout joints as I feel it should, even after 2 coats.   A. You may be using a poor quality... Read More

Q. Should grout be scraped before a grout color sealer application? I want to put color sealer on top of grout that has already been sealed. Is it necessary to first scrape the clear sealer off of the grout?  A. There is a quick test you can do... Read More

Q. How do I remove grout stains from ceramic tiles? Grey grout has penetrated and stained some of my ceramic wall tiles. Is it possible to draw this out? The stain is from grey grout. The tiles were sealed, but unfortunately one pack had not been... Read More

Q. Does grout turn darker when wet and lighter when dry even with color seal? A. Unsealed grout has tiny pores that absorb moisture, which can give unsealed grout lines a darker appearance. Once the moisture evaporates (assuming the moisture is... Read More

Someone recently commented on SurpHaces social media, asserting that Grout Color Sealer cannot be considered a permanent solution. Here is their comment and our response. Comment: Grout Color Sealer is Topical. Will peel or uplift sooner than later.... Read More

Q. Is there a solvent that can be used to safely remove years old grout haze from porcelain tile? I can provide more information as you need. Thank you. A. For standard grout, you will need an acid-based grout cleaner. For epoxy grout, then a... Read More

Q. What can I use to seal the grout on my ceramic tile shower walls and is this something I can do myself?   A. Many brands of grout sealer are available for this purpose. Most sealers are easy to apply, but it is very important make sure the grout... Read More