[MBAtarga]

I used metal roofing in 12’ lengths to do exactly what you are trying. Mine was under a section of deck that was only 8’ wide though but about 30’ in length. I used 2x4 framing to form U shaped supports that the roof tins rested on and even had a section of rain gutter with downspout that tied into an existing downspout drain at the deck corner. Each U section was spaced about 4’ apart and was of decreasing height to slope the tins and water to run off. The deck was enlarged and enclosed 2 years ago and I removed the structure so I’ve got no pictures to share.


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