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FAQs

Here are a few of the questions we're asked most often.
Have a question that isn't addressed here? Drop us a line - we are passionate about the service we provide, and we'd love to chat!

What are those black streaks?

For many years, roof discoloration caused by algae has been observed throughout the United States and Canada.  The discoloration usually has a brown to black appearance, and may be mistaken for soot, dirt, moss, or tree droppings.

The primary species of algae being observed is called Gloeocapsa Magma. This type of algae is contained in and transported through the air, and tends to collect and grow upon roofing structures.  Natural pigments produced by this algae may cause a white or light colored roof to gradually turn brown or black.  The algae discolorations should not be confused with moss or tree droppings, which typically produce only localized discolorations.

Besides looking bad, this algae also feeds on the limestone filler in your shingles. It is literally eating away at your roof!

Should I replace my roof or have it cleaned?

If your roof shingles are still under their warranty period (typically 25 to 40 years) and still in good shape, call us to have it cleaned. If there are any leaks due to minor shingle damage or a few missing shingles, call us anyway and we can make simple repairs first! Pay a fraction of the cost of a new roof!

Is cleaning my roof merely a cosmetic repair?

NO. The black streaks will prevent your shingles from deflecting the sun properly and can increase your cooling costs. Also, since the algae is feeding on the limestone in your shingles, it is slowly breaking them down. By not cleaning your roof, you are reducing the life of your shingles by up to 50%!

Will you damage my roof with high-pressure?

NO. We do not use a pressure washer at all when cleaning roofs. We use a specialized LOW PRESSURE system designed to gently clean the algae from the surface of your roof. Our system uses no more pressure than your garden hose! We simply apply the cleaner, allow it to dwell and rinse it clean.

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