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12-30-2021, 10:11 AM
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Sage
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Join Date: Dec 2012
Location: Somewhere over the rainbow
Posts: 15,117
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Quote:
Originally Posted by DAVES
Like so many things it is a matter of opinion. Roof shingles are tar with fine gravel on top.
The color is the color of the gravel. The gravel protects the tar underneath that people call roofing shingles. Washing the roof will remove some of the gravel. What people see is dirt is partly dirt and partly mold. As it is black, in color a light colored roof will show the dirt and mold
Our roof is dark colored. It is ten years old. There is some mold on it. If, I was selling, I would likely have it washed. Since, I am not selling I would not have it washed.
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Only if under bunch of oak trees. My roof approaching 20 years old and no mold or dirt. No oak trees close.
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