Roof eaves protect the side of the house and the house’s foundation, plus they serve as a decorative element. Roof eaves contain smaller elements that do many things: Water coursing down the ...

Lloyd Alter / CC BY 2.0 Historic Functions of Overhangs and Eaves . Historically, roof overhangs and deep eaves performed an important function, particularly in wet parts of the country: they keep ...

I’ve always equated it to some kind of sun visor, that open headed cap that works like protective shield, buffering both sun and rain from hitting the face. The roof eave works quite the same way.