I have a storage shed behind my carport. A downspout from the roof of the carport runs through the shed, as seen in the picture. The downspout drains ok (there was blockage in the past) but it leaks ...
I have two downspouts whose discharge I need to get past a sidewalk. Currently for each gutter, corrugated tubing is run underground, under the sidewalk, for approximately 20 feet where it discharges ...