Abstract: A building element for use on a building having roof supporting rafters which extend outwardly from the wall alignment of the building has an eaves cover panel portion adapted to provide an eaves cover of the building and to be attached to the building and has integrally formed therewith an upstanding outer wall along one side, the outer wall being the outer wall of a channel shaped gutter section. The opposite inner wall of the gutter section is provided by a separate wall portion which is mountable during assembly on a co-operating mounting portion of the eaves cover panel portion. This arrangement permits ease of manufacture, nesting of the components for transportation and storage and easy and speedy of building operations. Preferably an integral downwardly projecting channel is provided in the eaves panel portion and the wall portion is a fit such as a press fit into the recess and maybe bonded therein.