Gable Roof Framing Detail

3 inch rise per 12 run is a 3 12 pitch roof.

Gable roof framing detail. It is the form most commonly used by. This first installment of a two part series focuses on eaves that do not return onto the gable. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. In the u s it is defined by the rise in inches to a 12 run.

Vertical rise over horizontal run. 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. And the line length measurement from the roof peak to the building wall is the hypotenuse. That rafter outside forms the overhang for the barge boards to fix to and so the soffit boards and ventilation are continuous all the way.

Framing a gable roof building a gable with barge end purlin struts and collar ties. Details for conventional wood frame construction the first approach to achieving a strong durable struc ture involving economical use of materials is to follow a. The rise or height of the roof at its peak is the altitude of the triangle. Gable a gable roof has a ridge at the center and slopes in two directions.

The picture above shows the plan view of a gable roof ladder trusses are made up using four noggins bridging at each corner to support a rafter outside the building. Parts of a roof the main structural parts of a roof are ceiling joists ridge board jack rafter hip rafter common rafters creeper rafters raking plates out riggers and noggings or last rafter overhang. The run or half the building span is the base of the triangle. An example of each is shown in figure 2 1.

Roof pitch the roof pitch is the numerical measure of how steep or shallow a roof is. 13 30 box gable 13 endlap rain carrying table 14 eaves 15 16 ridges 16 18 gables 18 19 flying gable 20 endwall 21 sidewall valley 22 gambrel transition 23 outside corner 24. A gable roof is a simple symmetrical triangular roof. The second looks at the details of boxed eave gable end.

Common types of roofs and basic framing terms. Putting it together is relatively straight forward if you have basic carpentry skills and use precise measurements. To build your gable roof you ll need wooden boards cut into joists rafters supports and a ridge board in addition to sheathing felt paper and shingles. Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing.

4 12 through 9 12 are the most common pitches.