I'm putting guttering on both sides on my garage - I need to run the outlet from one side to the down pipe to the outlet drain on the other side. What angle to the horizontal should the pipe run at - is it the same as guttering or steeper ?
Rob
AFAIK guttering can be run dead level, although I gave it a nominal drop of
2" over about 20 feet just to avoid pooling when I did mine. As for pipes, don't the elbows come in preset angles, like 92.5 degress?Andy.
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