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Roof cleaning is the process of removing dirt, algae, and moss from roofs. Roof cleaning extends the life of your roof, thus preventing premature re-roofing. A stained roof is not only a cosmetic issue, decreasing the exterior appeal of your home, the algae that grows on your roof slowly spreads. It only takes one spore that gets a good grip on your roof to start the process. This shaves precious years off your roof, accelerating the need for replacement, and hinders the effective deflection of UV rays and heat, coming at great extra expense. This expense could easily be avoided.
The roof of your house is something that you rarely see up close — but you probably know that a complete roof replacement can be an expensive proposition. Because you want to get the longest life you can out of your roof, and avoid the need for a replacement before the time has come, getting your roof cleaned is important. Here are some common questions people have about roof cleaning and aspects that affect their roofs.
Why do people clean their roofs — and how often?
Mold, algae and bacteria like to grow the wood and asphalt shingles on your roof at the earliest opportunity. The black stains you may have seen on your roof are due to these invaders. During the first couple years of your roof’s life, the presence of bacteria was not noticeable because of the metal shards seeping out of the new material as it aged. This metal acts as a natural block for bacteria to thrive. The bacterium that makes a way underneath your shingles is the cause for concern, and this is where cleaning becomes needed.
Cleaning your roof regularly will give it a longer life and save you from buying a replacement instead. As to how often you need to clean your roof, the answer depends on a number of factors — such as how much shade you have, how often leaves are on your roof, and so on.
What happens if you do not clean your roof?
If you fail to get the black spots and streaks cleaned off of your roof, not only will they detract from its appearance, but this bacteria will also eventually weaken the shingles and structure of the roof. When this happens your roof becomes instable, leaky, and in need of replacement or extensive repairs. Neglecting regular roof maintenance — whether your roof is made from tile, slate, or concrete etc — will result in problems that are difficult to spot at first, but have lasting consequences down the road.
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