Purlin Hip And Valley Roof Framing

A mastery of roof framing with hip valley and jack rafters is what distinguishes the true hip rafters 18 1 figure 18 1 hip jack and valley rafters roof anatomy a.

Purlin hip and valley roof framing.

A disadvantage of the hip roof is that it is more difficult to construct than a gable roof. This video shows the erection procedure for a broken hip and valley roof. Run to purlin in plan view cos 48 18968 purlin mark on the hip rafter. Label and identify the parts of a roof framing plan.

Intersecting the intersecting roof consists of a gable and valley or hip and valley. The roof framing plan. The equal pitch rafter tables on the chappell master framing square on line 4 depth of backing bevel cut in inches per 1 of hip or valley width multiply 1 2 beam width by factor given for total depth are the tangents of the hip or valley rafter backing angle. The general arrangement of rafters shown in the larger drawing.

Next mark off the hip rafter backing depth on each side of the hip rafter. Parts of a roof a ridge board is a horizontal member of the roof frame. For the purlin mark on the hip rafter. For the hip rafter in our example the hip rafter.

Equal pitched roof 6 12. These hip rafters run at a 45 angle from each corner of the building to the ridge. Transfers the load of the roof. The point at which all the rafters are attached to.

504 chapter 18 hip valley jack rafters. Define ridge board rafter hip valley sheathing fascia soffit dormer and pitch.