A Resource of Stone and Tile Restoration

My customer’s granite tile floor has developed several white streaks. They’ve tried several things but they don’t seem to go away. What can I suggest they use to clean them off?

Jan 20, 2022 white streaks, hard-water deposits, difficult to remove, sulfamic acid-based cleaner, caution, marble, etch, rep 0 0 2.57K 0/5 (0 Vote)

These white streaks may be hard-water deposits, which can prove very difficult to remove. Suggest that they try a sulfamic acid-based tile-and-grout cleaner. CAUTION Make sure to let them know to NOT use sulfamic acid or any acids on marble. Acid... Read More

Why are there water streaks on my granite?

Jun 15, 2020 water streaks, granite 0 0 1.53K 0/5 (0 Vote)

Q. Hi. I just had a question about being able to remove some water stains on a granite countertop. I worked in August on two tables, which are granite and the white, somewhat sparkly you know, on it. It seems like they were retaining the water... Read More

What is the best way to clean a gray slate floor? It streaks every time I mop it, and the mop seems to shed on the floor.

Jan 21, 2022 0 0 2.32K 0/5 (0 Vote)

It sounds as though your slate floor has a rough finish which catches the fibers of the mop as it is dragged across the floor. First, you need to deep-clean the floor to remove all dirt and grime. Next, apply a good-quality acrylic sealer. Several... Read More

My technician has told me that after completing the routine maintenance then finishing off with mopping a marble tile floor on a hotel maintenance contract, there are streaks across it when it dries. We have tried several different cleaners, yet I al

Jan 20, 2022 0 0 2.08K 0/5 (0 Vote)

The streaking may be caused by any one of a number of problems. The mop you are using may be dirty. Use a clean string mop and make a point of only using it for the marble floor. Wring the mop out several times as you clean the floor. Are you using... Read More

I just completed polishing a marble floor and the grout is covered with streaks and spots. I am sure it is not polishing powder. How can I repair the grout?

Jan 20, 2022 0 0 2.24K 0/5 (0 Vote)

Short of removing it and installing new grout I would try cleaning it with stone soap or neutral cleaner. Be sure to use a soft brush and scrub the grout lines throughly. If this does not throughly clean the grout you may need to replace it. TIP The... Read More

I have a large lobby of white marble and when we mop it there are streaks left on the floor. How do we eliminate the streaking?

Jan 19, 2022 0 0 2.21K 0/5 (0 Vote)

It sounds like you may be using an improper cleaner in your mop water or you are using a dirty mop. Try switching to a daily cleaner specifically designed for marble flooring. Also make sure the mop is clean and that it is only used for the marble... Read More

What’s the best way to polish dolomitic marble?

FEATURED

Sep 4, 2025 0 0 1.65K 0/5 (0 Vote)

If you’ve worked on dolomitic marble before, you already know it’s not the same animal as your typical calcite marble. On paper, it looks like marble, feels like marble, and most homeowners call it marble, but when you put a machine on it... Read More

How do I determine the the hardness of marble?

Jan 20, 2022 0 0 2.29K 0/5 (0 Vote)

All minerals have a certain hardness. The hardness of a mineral is determined by performing a scratch test. A scratch test is based on the Moh’s scale of hardness. A German scientist invented this scale by taking several known, pure minerals... Read More

What are those white dots on my white marble?

Jan 7, 2023 white dots on marble 0 0 1.60K 0/5 (0 Vote)

Q. What are those white dots on my white marble? A. This article, by Frederick M. Hueston, Stone Forensics, provides the answer.Have you ever wondered what those white dots are on white marble? You sometimes see thousands of them in high... Read More

Etched Travertine Dining Room Table

FEATURED

Oct 26, 2015 etched travertine, travertine, travertine dining room table, cat vomit, acid etch, Marble Polishing Powder 0 0 2.30K 0/5 (0 Vote)

Q: We have a travertine dining room table. One of our cats got sick on it the other night. The next morning when we cleaned up the vomit, because of the acid in his stomach, it left a small stain about the size of a dollar bill. Is there a way to... Read More