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.
Roof framing drawing.
This will the first point of the rafter measurement line.
Discover the 36 different types of roofs for a house.
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.
The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.
It is simple in design economical to construct.
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.
Measure down y height from the long point of the rafter cut and make a mark.
An example of each is shown in figure 2 1.
And the line length measurement from the roof peak to the building wall is the hypotenuse.
Definition of valley rafter or cripple jack rafter.
This is known as prescriptive.
Gable a gable roof has a ridge at the center and slopes in two directions.
Transfers the load of the roof through the raftersto walls below.
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.
Common types of roofs and basic framing terms.
The point at which all the rafters are attached to.
Supported by lally columns.
Includes a frame bonnet gable hip mansard butterfly valley combination shed and more.
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.
Ridge beam sits below the rafters.
It is the form most commonly used by the navy.
This gallery includes terrific roof design illustrations so you can easily see the differences between types of roofs.