Purlin Hip And Valley Roof Framing

Hip truss set command added places girder and hip trusses in a single command.

Purlin hip and valley roof framing. First of all you need to design the layout of building. Broken hip and valley roof are formed on an l shaped building when the two sides ar. Valley rafter of a hip set stops at an intersection with a girder truss. You may want to ask the support.

Now outline the biggest rectangle inside the building layout. The roof framing plan. 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.

The angles between these two lines and the hip mark the downslope ends of the mortises for the main and adjacent purlins in the side of the hip. Hip valley roof framing example 1 this hip valley roof framing article will cover the different steps in calculating the roof framing lengths and angles for. The valley is formed where the two different sections of the roof meet generally. 504 chapter 18 hip valley jack 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 and valley roof framing is no so complex as compared to hip roof framing procedures. Intersecting the intersecting roof consists of a gable and valley or hip and valley. To find the side cuts need some additional.

For the purlin mark on the hip rafter. These hip rafters run at a 45 angle from each corner of the building to the ridge. Purlin side cuts and lip cuts fig. Here roofs are constructed with an angle of 90 degrees.

By applying the geometry in the links above itâ s very easy to solve and prove the formulas. A disadvantage of the hip roof is that it is more difficult to construct than a gable roof. The general arrangement of rafters shown in the larger drawing. Equal pitched roof 6 12.

The hip connect the hip purlin intersection single circle with the hip run purlin ground intersections triangles. Purlins are placed perpendicular to the roof framing in lieu of the sheathing.