Gable Roof Framing Detail

Common types of roofs and basic framing terms.

Gable roof framing detail.

A gable roof is a simple symmetrical triangular roof. Each dormer adds about 30 sq. From the floor to the peak and set back from the front wall of the house about 2 ft. Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing.

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. Gable a gable roof has a ridge at the center and slopes in two directions. Framing a gable roof building a gable with barge end purlin struts and collar ties. This first installment of a two part series focuses on eaves that do not return onto the gable.

Roof failures are often observed on areas of the building where wind pressures are concentrated. Roof framing joins bearing walls or beams. The three primary variables to consider when designing the eaves for a gable roof are the width of the gable trim the projection of the eaves and the details at the corner of the gable ends. The connection of the sheathing to the supporting members.

Putting it together is relatively straight forward if you have basic carpentry skills and use precise measurements. This is now addressed in the international residential code. If you re a little unsure of your rough framing or roofing skills hire a carpenter to help with this phase of the roof dormer project. It is the form most commonly used by.

And the line length measurement from the roof peak to the building wall is the hypotenuse. Connection between top plate and gable end framing. Wide about 9 ft. 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.

These areas include the high pressure eave and corner zones porch and roof overhangs gable ends and where. One is a failure of the hinge at the connection between the top plate of the wall and the gable end framing if the gable end is not balloon framed with continuous studs. An example of each is shown in figure 2 1. The rise or height of the roof at its peak is the altitude of the triangle.

Since 2009 section r602 3 has required. 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. 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. 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.