Roof stains are becoming more of a problem in the Midwest then ever. When traveling through the St. Louis area, more and more roofs are becoming affected with algae stains than ever. Many homeowners feel they have to replace their roof because of these stains. This is simply not true. There are ways to safely and effectively removing roof stains with roof cleaning, without damaging your shingles in the process.

Roof Stains are just an eyesore to the homeowner and the community. These black stains are from algae feeding on your asphalt shingles. While this form of algae starts off as a light color on your roof, it will grow darker and encompass more of your roof if not cleaned the proper way.

When hiring a Roof Cleaning St. Louis Company , it is necessary to ask what a few questions before hiring them. First, make sure they DO NOT use high pressure to clean your roof. Many times we have successfully cleaned many roofs in the St. Louis area with the right detergents and the pressure of a garden hose. High pressure will cause the granules of the shingles to come loose, and cause you to have to replace your shingles.

Second, there is no need to use a scrub brush. Many websites say you need to apply detergents then use a scrub brush to brush the shingle. The same thing applies here with using high pressure. With a scrub brush, you are taking a high chance of loosening the granules of the shingles.

Third, make sure the Roof Cleaning St. Louis Company uses the right detergent for Roof Cleaning. Many companies say use this product or use that product. At Marlers, we use what the Asphalt Roofing Manufactures Association recommends, along with a product that will deter the algae stains from coming back so quickly. You can read ARMA’s tech bulletin at Roof Cleaning St. Louis

And Finally, make sure the St. Louis Roof Cleaning Company rinses your roof afterwards. Chances are when cleaning, you will see the roof stains go from a black color to a brown color. This is a sign of the algae being killed with the cleaner. Once this is completed, a good rinse will remove the dead algae from the roof. Chances are after a couple of rains, your roof will look even better.

Unfortunatley, just like your car gets dirty again after a carwash, your roof will eventually begin to get these roof stains again. We warranty our roof cleaning for twenty-four months, and highly suggest your have your roof cleaned every two years. Ask us about our maintenance program we have for St. Louis Roof Cleaning every two years.

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