How to Set Up Roll Roof Covering on Low Slope Roofs

http://israeltevk385.unblog.fr/2020/03/12/jigsaws-how-to-use-and-also-cut-with-jigsaws/

These are the special areas that need flashing-- an included layer of water-shedding material to help keep the water running downslope. Valleys can either be open or closed-- open valleys are not covered with roof