Roof Framing Member Names

The united states still uses imperial units of measurement and framing members are typically spaced sixteen or twenty four inches apart.

Roof framing member names.

Roof truss parts explained. What are the names of the different types of rafters. The members making up the main body of the framework of all roofs are called rafters. When working on a roof it pays to be familiar with these terms.

Chimneys are typically built with a water diverter known as a cricket or saddle above the chimney. A waterproofing layer that protects the roof valleys from leaking. Roof framing involves a lexicon all its own. As you can see in the illustration below roofs have hip rafters ridge boards jack rafters and more.

One of a series of diagonal members of the truss that meet at the apex in order to support the roof deck and its loads. The wood member at the intersection is called the valley rafter and the feet of short spars are nailed to the valley rafter. The top horizontal framing members of a framed wall. An auxiliary frame member also known as a collar tie it is installed horizontally between roof rafters to prevent a roof from spreading apart because of structural weight loading.

One of a series of diagonal members of the truss that meet at the apex in order to support the roof deck and its loads. The edge of a roof which runs from eaves to ridge at a gable. And where are they found in which roof shapes or sections. They vary in size depending on their length and spacing.

Below we give the locations and functions of various roof framing members rafter types collar ties rafter ties ceiling joists and structural ridge beams. Valley the inward angle of two sloping roof sections. Horizontal beams supported by posts and used to support the mid span of rafters to cover longer spans these are used in large buildings like the traditional large old barns in the us. Here is a closer look at common roofing terms.

The roof framing may be interrupted for openings such as a chimney or skylight. The tops of the inclined. Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing. Rafters are inclined members spaced from 16 to 48 inches apart.

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. Click to enlarge any image. Don vandervort hometips. They do for the roof what the joists do for the floor and what the studs do for the wall.