And the line length measurement from the roof peak to the building wall is the hypotenuse.
Stick frame roof construction.
The run or half the building span is the base of the triangle.
With stick building which is more commonly used in building homes the frames are often built over a crawlspace or basements.
There are several roof types.
While truss roofs are the most popular construction style today by some estimates truss roofs outnumber stick frame roofs two to one there are regions of the country where builders still prefer stick frame roofing.
Framers stick building a hip roof you can learn a great deal about roof framing by understanding the concepts of framing a gable or shed roof.
Most roofs utilize 16 inch spacings for strength and rigidity.
It is easy for boards to walk off the job site when they are loose and in easy to carry pieces.
A stick framed roof is made up of individual rafters and that are connected to a top beam.
Stick framing requires larger lumber and more of it.
Like wall studs and floor joists rafters and trusses are spaced every 16 or 24 inches from center to center.
The rafters are usually positioned directly above the wall studs.
Stick framing combines roof rafters with ceiling joists.
The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.
Stick framing is building the roof on the construction site one piece or board at a time.
The two basic types of roof construction stick framing and truss assembly both produce a structurally sound roof.
Stick framing takes place on site while trusses come prefabricated and ready to.
The frame generally requires a continuous concrete foundation support which results in significantly higher foundation costs.
There are two common ways of framing the roof of a house.
Stick framing can t span very far.
Then dimensional lumber called rafters are cut to fit one piece at a time and shoved up to a framer on the roof that s balancing on scaffolding who installs the rafters.
The gable roof hip roof gambrel roof flat roof shed roof mansard roof and many more custom roof types.
The beam or the ridge is the central part of the structure as all the framing must be connected to it.
It starts with setting ridge and valley beams above the house walls.
Roof framing depends on the type of roof you want to build.
The rise or height of the roof at its peak is the altitude of the triangle.