Roof Framing Drawing

Definition of valley rafter or cripple jack rafter.

Roof framing drawing.

An example of each is shown in figure 2 1. This gallery includes terrific roof design illustrations so you can easily see the differences between types of roofs. Measure down y height from the long point of the rafter cut and make a mark. Transfers the load of the roof through the raftersto walls below.

The run or half the building span is the base of the triangle. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. Parts of a roof a ridge board is a horizontal member of the roof frame. The rise or height of the roof at its peak is the altitude of the triangle.

Gable a gable roof has a ridge at the center and slopes in two directions. In our roof framing drawing above the hip jack rafters are drawn in green. Roof framing rafter layout from one end of the rafter material using a speed square or framing square mark an x in 12 angle on the rafter and cut it. Types of roofs the most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to.

Ridge beam sits below the rafters. The point at which all the rafters are attached to. It is simple in design economical to construct. Supported by lally columns.

This will the first point of the rafter measurement line. If you have any r. A rafter extending from the roof ridge down to the top plate of a wall at the intersection of a gable extension roof that itself abuts or intersects with the main roof. Introduction to prescriptive roof framing 3 prescriptive roof construction the international residential code irc and the international building code ibc set out specific guidelines within which conventional light frame wood structures may be built without the need for engineering analysis of each component.

And the line length measurement from the roof peak to the building wall is the hypotenuse. Another saturday morning work session live i needed to create this roof framing plan for a project so i thought i would go live with it. Includes a frame bonnet gable hip mansard butterfly valley combination shed and more. This is known as prescriptive.