Some of the most common questions we get from clients in regards to tile roof cleaning, are: - Will walking on my tile roof damage or break the tiles? - Will the color of the tile be "bleached" or "faded" out after? - Why are there still black lines? in this article, we will address these issues, and then some! Coloring of roof tiles Color Through VS Slurry: These are two different methods used for adding color to the concrete roofing tile. Color Through is the process of usi