Intersecting Roof Framing

This is useful for material takeoffs and as a job site reference.

Intersecting roof framing. Architectural home design software. Sheathing blocking is added along the valley and the sheathing pieced in for both roof planes. The diagonal rafter that runs from the intersection of the ridges down to the top of the walls at the inside. The a frame is very easy to identify.

A truss base is a closed polyline that defines the area in which valley fill roof trusses are to be built across and above the tops of normal full size roof trusses. It s a very simple roof design and is inexpensive because the roof serves as both roof and walls. For the purposes of this article i ll show how to frame the intersection of two hip roofs of unequal pitch. The author begins any complex roof project by making a scale framing plan of the roof left.

The roof makes up much or all off the walls of the home. Where two gable roof lines meet the intersection forms inside corners called valleys. It s steep pointed roof which extends all the way to the ground or close to the ground. The run or half the building span is the base of the triangle.

And the line length measurement from the roof peak to the building wall is the hypotenuse. These hip rafters run at a 45 angle from each corner of the building to the ridge. A hip rafter forms a raised area or hip usually extending from the corner of the building diagonally upwards to the ridge. A disadvantage of the hip roof is that it is more difficult to construct than a gable roof.

A valley rafter forms a depression in the roof instead. In figure 18 1 are required when framing complex roofs such as hip roofs and inter secting gable roofs for more on roof types see chapter 17 basic roof framing. Intersecting the intersecting roof consists of a gable and valley or hip and valley. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.

Click here for enlarged image. Type of roof because it is braced by four hip rafters. The perspective sketch right shows the.