BASED ON SCIENCE. It’s based on the theory of the water from torrential rains being dispersed along a vast larger expanse onto the ground where it can be absorbed adequately verses funneling much larger amounts by concentrating into 3 or so exit points down spouts where there is so much water it cause potential flooding from over concentrating into a much smaller area and runs off ( if lucky) rather than absorbing it. Our sandy soil allows for no gutters.
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