Owner manual

4
TYPES OF RAFTERS
COMMON RAFTER:Arafterthatrunsperpendicular(90°)
from the wall plate to the roof ridge when looking straight
down at the roof. When looking from the side, its length
formsthediagonalleg(orhypotenuse)ofarighttriangle
that has its vertical leg equal to the rise and its horizontal leg
equaltotherun(seeFigures1,3and8).
VALLEY RAFTER: A rafter that runs from the wall plate to
theroofridgeattheintersectionofthegableextensionwith
themainroof(seeFigures1,8,12and13).
VALLEY JACK RAFTER: A rafter that runs from a valley rafter
totheroofridge,90°fromtheroofridge(seeFigures1,8
and 15).
HIP RAFTER: A rafter that runs diagonally from the top of
the wall plate to the roof ridge, so as to form an outside
corneroftheroof(seeFigures1,8,9and10).
HIP JACK RAFTER: A rafter that runs from the top of the
wallplatetoahiprafterat90°tothewallplate(seeFigures
1,8and14).
CRIPPLE JACK RAFTER: A rafter that runs from a hip rafter
toavalleyrafter,perpendiculartotheroofridge(seeFigures
1and8).
DORMER RAFTER: A rafter which sets on top of the main
roof without cutting into it, thus causing the main roof not to
weaken.Forexample,whenremodelingorwhensolarpanels
areadded(seeFigure1).