Roof Framing Drawing

Parts of a roof a ridge board is a horizontal member of the roof frame.

Roof framing drawing.

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. In our roof framing drawing above the hip jack rafters are drawn in green. Gable a gable roof has a ridge at the center and slopes in two directions. The point at which all the rafters are attached to.

Supported by lally columns. Ridge beam sits below the rafters. The rise or height of the roof at its peak is the altitude of the triangle. An example of each is shown in figure 2 1.

The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. This is known as prescriptive. If you have any r. The run or half the building span is the base of the triangle.

It is simple in design economical to construct. And the line length measurement from the roof peak to the building wall is the hypotenuse. It is the form most commonly used by the navy. This will the first point of the rafter measurement line.

Includes a frame bonnet gable hip mansard butterfly valley combination shed and more. Discover the 36 different types of roofs for a house. 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. Definition of valley rafter or cripple jack rafter.

Transfers the load of the roof through the raftersto walls below. 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. Common types of roofs and basic framing terms. 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.