A dormer provides an alternative way for sunlight to filter into a shed or garage.

A dormer is a roof structure, often containing one or more windows, that projects horizontally beyond the plane of a pitched roof. When a dormer is built into a shed, it allows more natural light to get into the building. This is especially helpful if your shed will be placed near trees where it may be difficult for sunlight to reach traditional windows. A dormer provides an alternative way for light to filter into the building.