What are the green, brown, or black spots all over my siding and concrete?
More than likely it is mold. Even though most modern building materials are low maintenance they still require cleaning in order to keep the new appearance. Q: Does the mold on my house and concrete pose a health risk? A: Mold and mildew around your house presents the perfect environment for allergies and asthma problems. I have provided a link from The American College of Occupational and Environmental Medicine to get more information. http://www.acoem.org/guidelines.aspx?ID=850 Q: Are all pressure cleaning companies the same? A: Anyone can buy a pressure washer and place an ad and become a company. Some pressure washing machines have an enormous amount of pressure and in the hands of an inexperienced person can easily cause thousands of dollars in damage. Above are the results of what lack of experience, excessive cold water pressure and improper equipment can lead to. Unfortunately this was not the only area affected and the problem is now the owners. Every year we run into customer
