The rafters are usually positioned directly above the wall studs.
Roofing framing basics.
You can learn a great deal about roof framing by understanding the concepts of framing a gable or shed roof.
And the line length measurement from the roof peak to the building wall is the hypotenuse.
Common types of roofs and basic framing terms.
The main elements of the gable roof layout are the ridge beam common rafters and wall plate.
For more see roof framing basics.
Parts of a roof.
The resulting triangle transfers roof loads out to rafter ends where the weight is carried by supporting walls.
Its short leg is called the tongue.
Its long leg is called the blade or body.
The rise or height of the roof at its peak is the altitude of the triangle.
Like wall studs and floor joists rafters and trusses are spaced every 16 or 24 inches from center to center.
Studs plates headers rafters girders flooring and joists are all terms used to identify different components in framing.
Become familiar with the framing square which you will be using.
Stick framing combines roof rafters with ceiling joists.
In this 3rd video from our 3 part house framing series pro framer larry haun demonstrates how to build the roof for a modest size house.
Framing is the process of connecting building materials together to create a structure.
The framing style of the roof refers to the actual components of each roofing truss and the design of the structural foundation of that roof.
These roof types have the basic elements of all of the other roofs and make it a perfect place to begin the discussion.
The run or half the building span is the base of the triangle.
Mastering the special terms used in roof framing will make it easier for you to under stand roofi ng concepts.
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.
The weight of roofing materials and loads compresses roof rafters which pull ceiling joists from each end placing them under tension.
Gable a gable roof has a ridge at the center and slopes in two directions.
Partially these will depend on the style of roof you ve selected but you ll also have some wiggle room depending on the design elements of the house.
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.
Roof framing basics how does the slope of a roof relate to local weather patterns.
Most roofs utilize 16 inch spacings for strength and rigidity.
An example of each is shown in figure 2 1.
