Framing A Hip And Valley Roof

Divide the rafter length by 12 of run to calculate the roof ratio multiplier.

Framing a hip and valley roof.

The common rafter length can be calculated by the roof ratio length per 12 of run. Now draw a 45 degree line from each corner toward the centerline that can help to establish location specifications for. I ll start at the beginning with the easy bits before tackling the more complicated stuff and that way hopefully i ll make it really clear and easy to understand exactly how to set out measure cut and install hip and valley roof rafters. Hipped roof construction can seem quite complicated to grasp at first but i m going to break it down and explain each area in detail.

Start with a layout of a rectangular shape building. Subscribe to this old house. Locate a centerline at the middle section. Draw a ridge line between the intersection points of the hip rafters.

Rick arnold frequent contributor to fine homebuilding and the journal of light construction presenter at jlc live the katz roadshow the remodeling show. Hip rafter ratio length multiplier hrrlm 18 12 1 5 common rafter length multiplier crlm 13 4164 12 1 11803.