On Saturday, January 30, 2016 at 10:53:21 AM UTC-5, wrote:
On Friday, August 18, 2000 at 7:38:07 PM UTC-5, Charles wrote:
I need to add about 25 feet of gutter to a screen porch I'm building. Does
anyone know the magic number for how much slope it should have towards the
downspout?

Thanks a ton:

Charles