Roof Framing Members

We ll start with a conventionally framed roof in which individual roof framing members are cut and assembled on site.

Roof framing members.

Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing. To note that the density of the roof framing member must be taken into account when determining fastener spacing. The gable roof hip roof gambrel roof flat roof shed roof mansard roof and many more custom roof types. Bending for a roof floor or wall surface.

Let s strip away the roof and wall coverings of a home and identify some of the more common roof framing members. Overhangs hips and dormers add greatly to the complexity of the framing. Rafters are inclined members spaced from 16 to 48 inches apart. The nominal design.

Nearly all roofs are framed using one of two methods. Strutting beams should only support roof loads and not be used as ceiling joists. The members making up the main body of the framework of all roofs are called rafters. The tops of the inclined.

It is a waterproofing layer made of regular felt stacked above the solid. You ll be evaluating the roof framing from inside the attic space but we have an advantage in technology. They transfer the load of the roof to load bearing walls. 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.

Framers stick building a hip roof you can learn a great deal about roof framing by understanding the concepts of framing a gable or shed roof. Most wood used in light frame residential construction takes the form of dimension lumber. There are several roof types. A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load.

Standard stick framing or the newer truss framing. 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. Stick truss roof framing. Strutting beams support the roof members where there are no load bearing wall studs available.

Relatively dense framing such as is achieved with southern yellow pine members holds fasteners better than lower density framing such as spruce pine fir members and may allow for wider spacing of fasteners. The loads acting on a framing member or system are usually calculated in accordance with the applicable provisions of the locally approved building code and engineering standards. They do for the roof what the joists do for the floor and what the studs do for the wall. Stick framed roofs utilize individual rafters that span from the top of exterior walls to the ridge.

Roof framing depends on the type of roof you want to build.