Hip backing angle 15 4.
Hip roof rafters layout.
If the wall plates are all square of equal lengths then the hipped rafters would form a pyramid shape like the picture above normally a roof is rectangle and there are more yellow common rafters.
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The types of rafters used in a hip roof include common jack hip and ridge beam rafters.
Hip roof framing center join diagram with options for square roof 1.
Outside top plate edge to ridge top edge common 10 11 3 4.
The ridge beam runs along horizontally along the top of the roof and is supported by the other rafters.
S5 s8 s9 s12 s21 s24 s29 32 jack rafters layout right side.
Roof battens lath hip end side roof battens lath main roof side wall plate or inferior purlin cut corner connection roof covering materials layout hip end roof covering layout main roof.
The 4 hip rafters begin at the 4 corners of the roof and connect to the ridge beam.
With a square roof the ridge becomes a square center piece kingpost with side lengths equal to common rafter thickness.