Roof Framing Members

A rafteris an inclined member of the roof framework.

Roof framing members.

It is a waterproofing layer made of regular felt stacked above the solid. They do for the roof what the joists do for the floor and what the studs do for the wall. They vary in size depending on their length and spacing. Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing.

We ll start with a conventionally framed roof in which individual roof framing members are cut and assembled on site. Standard stick framing or the newer truss framing. The gable roof hip roof gambrel roof flat roof shed roof mansard roof and many more custom roof types. A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load.

Stick truss roof framing. Nearly all roofs are framed using one of two methods. 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. They transfer the load of the roof to load bearing walls.

Overhangs hips and dormers add greatly to the complexity of the framing. Rafters serve the same purpose in the roof as joists in the fl oor or studs in the wall. Rafters are inclined members spaced from 16 to 48 inches apart. Strutting beams should only support roof loads and not be used as ceiling joists.

The tops of the inclined. Let s strip away the roof and wall coverings of a home and identify some of the more common roof framing members. The members making up the main body of the framework of all roofs are called rafters. The roof framing is the structure that supports your roof.

Stick framed roofs utilize individual rafters that span from the top of exterior walls to the ridge. You ll be evaluating the roof framing from inside the attic space but we have an advantage in technology. Below we give the locations and functions of various roof framing members rafter types collar ties rafter ties ceiling joists and structural ridge beams. When working on a roof it pays to be familiar with these terms.

There are several roof types. Roof framing depends on the type of roof you want to build. Here is a closer look at common roofing terms. 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.

As you can see in the illustration below roofs have hip rafters ridge boards jack rafters and more. 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. Roof framing involves a lexicon all its own.