Roof cleaning is one of our favorite services because it offers some of the most dramatic results and the biggest smiles. Not to mention the huge saving when compared to replacing shingles unnecessarily. Feel free to check out the link to the Asphalt Roofing Manufacturers Association and read their recommendations. Then call Oakland Power Washing to make that roof look young again.
Roof Stains… not only are they ugly and impact your property’s curb appeal, but they also can cause severe damage to your shingles! If you’ve ever wondered where the stains come from, the simple answer is from a living “plant” called Gloeocapsa magma. This algae is feeding on the limestone filler used to add weight to asphalt shingles. The reason it is more prominent on the north side and shaded areas of your roof is because these areas get the least amount of sunlight which causes that area of the roof to stay wetter longer. Lack of sunlight means moisture from morning dew and rain remain on these areas longer, creating the perfect environment for maximum growth.
As previously mentioned, the “simple” answer is a living plant causes the discoloration. To get a bit more technical, that “plant” is actually a cyanobacteria. Once the colony gets established is creates a petri-dish effect on your roof, allowing dozens of different hazards to thrive, such as lichen, mold, mildew, moss, and even ferns!
Did You Know?
Some insurance companies are canceling Homeowner Insurance policies due to dirty roofs? Don’t let this happen to you! Call Oakland Power Washing, we can safely and effectively remove algae, mildew, lichen and contaminants from your roof! Watch this video: