Did you know that pressure cleaning can damage your roof and property?
We don’t use any high-pressure.
This is commonly referred to as “fungus or mildew growth” here in Houston, Tx. The discoloration usually has a brown to black appearance, and may be mistaken for dirt or soot. This algae has tiny root systems that work their way into the pores of your tiles, and wrap around the granules of your shingle roof, weakening fibers and wearing off granules, thus shortening it’s life. They also feed on the organic material found in your shingles. The longer these microbial growths stay on your roof, the more damage they will do.
Why Should I Clean My Roof?
It's a healthier environment for your family, it extends the life of your roof, reduces energy costs, and increases the curb appeal of your home.
Your roof is exposed to the elements all day, every day. Dirt and debris will collect on it. Natural rainfall is typically enough to wash off the appearance of most dirt. However, the dark stains and green areas that appear on your roof are caused by other natural elements:
How Can Stains Damage a Roof?
As mentioned above, GM algae is a bacterium that feeds off of both asphalt and limestone. That means that these organisms are literally eating away at your shingles. Furthermore, according to ARMA, roofs with algae stains absorb heat. This results in an extremely high heat in the attic, which can reduce the lifespan of the shingles by essentially baking them from the inside out.