How to Remove Black Stains from Your Asphalt Composition Roof

Black, streaky stains on your asphalt roof are not only unsightly, they occur due to a process that can actually cause permanent damage to the shingles and shorten the lifespan of the roof. Fortunately, replacing your roof is usually not necessary, as the black stains can be removed in most instances. Below is more information on the mysterious cause of black roof staining and what you can do to remove it yourself. What causes black roof...

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