Roof Framing Hips And Valleys

Rafter is called for only when framing a hip roof but a valley rafter is needed on both hip and gable roofs whenever roof planes intersect.

Roof framing hips and valleys.

Now outline the biggest rectangle inside the building layout. For any roof slope expressed as x in 12 rise in run the hip and valley factor is determined by finding the square root of rise run 2. A jack rafter is a shortened com mon rafter that may be framed to a hip rafter a valley rafter or both. Measure the distance between the angled hip rafter and the top of the wall at 20 in 51 cm increments and cut jack rafters to fit.

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. Find the square root of the result. First of all you need to design the layout of building. The total rise of hip and valley rafters is.

Hip and valley roof framing is no so complex as compared to hip roof framing procedures. The hip and valley factor varies according to the slope of the roof as shown in the table below. 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. Now draw the centerlines for all rectangles that are formed inside.

Divide the rise by the run the run is 12.