Common types of roofs and basic framing terms.
Roof framing plan with truss details.
It is the form most commonly used by.
A roof framing plan indicates the layout for rafters joists bar joists trusses decking details roof framing members and other roofing details.
Architects engineers builders and real estate developers all require detailed drawings to understand how to construct any roof.
In the case of truss framing you will use pre made triangular shaped wood pieces to build the roof frame.
A truss frame consists of a roof truss and a floor truss joined by exterior wall studs.
It s often used for cellars and long hallways.
If you re building your own roof trusses the handiest place to assemble them is right on the shed floor.
The pros of using roof trusses instead of stick framing.
Each of these utilizes a fundamentally different approach to building the roof frame.
How to order trusses.
An example of each is shown in figure 2 1.
But you have to do it before you build the walls.
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 wide variety of possible roof and floor truss designs and combinations is illustrated by figure 1.
This has a characteristic barrel shaped ceiling.
Pricing roof trusses.
This decorative type of truss adds volume keeps the room cool and has a relatively low maintenance drywall.
Pros of using roof trusses instead of stick framing.
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.
In order to create the semi cylindrical appearance for the ceiling this truss would need many small pieces of wood framed together.
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.
Roof floor truss manual 7 31 08 10 43 am page 6.
The pros of using roof trusses drastically outweigh the pros of stick framing.
For example in the case of stick framing you will use ordinary lumber for your rafters and beams and then build the frame one beam at a time.
Rafters act more like the top chord of a roof truss than as a roof joist.
Complete details can be found in the building component safety information guide to good practice for handling installing restraining and bracing of metal plate connected wood trusses available through wtca wood truss council of america and tpi truss plate institute.
The rafters carry the applied loads to the exterior walls.
Gable a gable roof has a ridge at the center and slopes in two directions.
In a rafter roof all of these components are required to provide a stable roof.
Then use the chalk lines as a guide for cutting the truss patterns and assembling the trusses.
The function of each component is.