First of all you need to design the layout of building.
Hip and valley roof framing pdf.
Common types of roofs and basic framing terms.
Battens or purlins as they are sometimes called must be fastened to the roof joist or trusses with the proper length and number of fasteners to prevent pullout.
The roof framing plan.
Gable a gable roof has a ridge at the center and slopes in two directions.
The hip and valley factor is a number that is multiplied by the actual run horizontal distance of a common rafter to determine the length of a hip or valley rafter.
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Now outline the biggest rectangle inside the building layout.
An example of each is shown in figure 2 1.
Define ridge board rafter hip valley sheathing fascia soffit dormer and pitch.
Chapter 17 reading guide 465.
Now draw the centerlines for all rectangles that are formed inside.
Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing.
The point at which all the rafters are attached to.
In a rafter roof all of these components are required to provide a stable roof.
Repeat the run not the length of a common rafter for precision the thickness of the ridge board and any eave.
Prescriptive roof consisting of the rafters a ridge board ceiling joists and collar ties.
Here roofs are constructed with an angle of 90 degrees.
The general arrangement of rafters shown in the larger drawing.
Not shown are the hip and valley rafters needed to tie the roof together where the rafters are framed at an angle to each other.
A mastery of roof framing with hip valley and jack rafters is what distinguishes the true hip rafters 18 1 figure 18 1 hip jack and valley rafters roof anatomy a.
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.
Parts of a roof a ridge board is a horizontal member of the roof frame.
Shed or lean to roof gambrel roof mansard roof dutch hip roof hip roof hip valley roof low slope flat roof gable roof gable roof dormer gable valley roof gable roof with shed.
The function of each component is.
Hip and valley roof framing is no so complex as compared to hip roof framing procedures.
It is the form most commonly used by.
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504 chapter 18 hip valley jack rafters.
Battens must be installed to support the entire width and length of ridge eave hip valley and gable end trims.
Roof framing is the last major framing activity in the construction of a house.
Nd it in the text write down the defi nition.
For regular hips and valleys where the roof sections have the same slope and meet to form a 90 degree angle.
