One roof design that provides particularly great drainage is a saltbox-style roof. These roofs are easily identifiable by their asymmetry -- one side is much shorter than the other, steeper side.

"I have always loved the perfect imbalance of a saltbox house. The function of the two-story front and deeply sloped back roof inspires all kinds of landscaping opportunities," says designer ...

With its "L" shaped plan combining two types of roof slopes, the house borrows its vernacular silhouette from the architectural vocabulary of 17th century Saltbox-type rural buildings, still ...