Cleaning and maintaining your roof:

Those dark ugly roof stains that you see really are damaging your roof.  Today many people have no idea what those stains are that they see on the roof.  To keep it simple here is a brief description on why your roof has dark stains.  If you live in a humid climate you already have stains on your roof, and if you don’t see it yet guess what you will soon.  Humidity promotes moisture and dampness and roof stains typically always grow on the north side of your home.  The reason being is because the north side receives less sunlight so when the roof stays damp from the humid climate it cannot dry out.  As time goes on algae, mold and mildew start to grow on the surface and then they feed off of the limestone that is in the shingles.  Algae, mold and mildew will continue to thrive and grow because now it has a damp climate to live in and limestone for food.  All asphalt shingles have granules on the surface that protect the shingles from the rain and the sun.  Under the shingles you have roofing felt which is the main protection that keeps water from going into the plywood and into your home.  The algae will eat at the shingles removing the granules and start to break down the shingles.  The longer the roof stays damp and moist along with the algae growing and thriving your shingles just don’t stand a chance.  Just like a wood deck that is not cleaned and protected the wood starts to rot because it is damp and algae, mold and mildew eat away at the surface.

Picture below shows what algae can do to your roof.

Roof replacement can be very expensive:

Many home owners think that the stains they see on their roof are just a form of dirt and why clean it now when they can replace one day.  The average shingle roof can last anywhere from 25 to 30 years if it is properly maintained, and a new roof today can cost you $8,000 to $12,000 dollars.    Shingles are made from petroleum and with the rising cost of oil, asphalt shingles will continue to get more expensive in price.  So a 25 to 30 year shingle roof that is not cleaned will end up on average lasting about 5 to 7 years less.

Cleaning your shingle roof:

Cleaning and maintaining your shingle roof should not be cleaned with a pressure washer or any type of pressure.  House hold cleaners will not do the trick nor will anything from the big box stores.  All shingle manufacturers recommend that the algae, mold and mildew must be eliminated along with the spores.  We use a proprietary blend of cleaners that are approved and these cleaners are sprayed onto the surface and rinsed with a garden hose.  All dark stains are removed that day and all algae growth will be eliminated.  We offer a 3 year warranty for all of our roof cleanings.

Picture below shows the damage caused by a pressure washer.

If you would like a free quote on roof cleaning please call us at 260-413-3290 

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