Another common design in the northeast is the saltbox which is a gable roof with one longer side.
Roof framing section.
This will the first point of the rafter measurement line.
Upon completing this section you should be able to identify the types of roofs and define common roof framing terms.
Building codes such as the icc s 2012 international building code section 2308 10 roof and ceiling framing typically specify that where rafter ties are used they are required at intervals ranging from 12 to 24 o c.
A horizontal timber or metal resting at the peak of the roof the rafters and trusses are connected to the ridge board for a cohesive framework.
Roofs are basically five types.
The primary object of a roof in any climate is protection from the elements.
Shed gable hip gambrel and mansard.
A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load.
Roof slope and rigidness are for shedding water and bearing any extra additional weight.
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.
Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult.
While most home builders will outsource the construction of roofing trusses the rafter supports of the roof itself learning to frame a roof yourself is one of the true arts of carpentry and a basic primer is covered below.
Depending on the roof design and the roof rafter spacing.