Hey, I am agreeing with your ideas that one should go for eco friendly cleaner that is not only keep your environment clean and save time and money, but also secure for your health. Keeping the tile in your roof clean not only maintains its beauty, it will also extend its life. In my several years of experience in commercial cleaning, I would suggest conventional cleaning products create risks such as chemical burns to the cleaner's skin and eyes. Green cleaners aren't corrosive and meet strict standards regarding inhalation toxicity, combustibility and skin absorption. You can do this cleaning yourself, but itís probably best left to tile cleaning professionals. At momentum janitorial, we are dedicated to the use of only the safest and most effective products for your needs.