We have tin roofing on our deck and all the outbuildings. On the house we have asphalt singles. We don't notice notice a difference in the dirt washed in the tanks.
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We have tin roofing on our deck and all the outbuildings. On the house we have asphalt singles. We don't notice notice a difference in the dirt washed in the tanks.
I wondered because I figured you would not want the chemicals from the asphalt shingles getting into your water supply. Whether for you, plants or animals just seems like asphalt would be good to avoid.