Wood Patio, Porch, Deck, Large Patio, Porch, Deck, Exterior, Back Yard, House Building Type, Green Roof Material, Wood Siding Material, Cabin Building Type, and Flat RoofLine One of the main goals of the construction was to do as little harm as possible to the existing environment, which includes waterways that salmon depend upon. Herrin and his team created a garden roof that covers the full extent of the home to meet this objective. “This helps control storm water runoff and also replaces lost insect habitat—insects being a critical food source for juvenile salmon,” he says.  Photo 99 of 101 in 101 Best Modern Cabins from San Juan Islands Residence