Never installed a metal roof before. Neighbor wants a small open sided shed built for display of holiday items. Basically two open sides and two closed sides. His previous creation had a flat roof. I want to install one with a very slight pitch, say 1:12. I was going to use a composite corrugated roof, but the minimum pitch I not find out is 3:12. I don't have the height to accommodate (now that things are cemented in the ground). So I wanted to change to a metal corrugated roof. I can get the metal in 10' sheets at HD. The unit dimensions are 100"x100". Will I have an issue at either the overlaps, or the ridge? It is a single slope roof. Something like this:
