Roof Framing Member Names

Below we give the locations and functions of various roof framing members rafter types collar ties rafter ties ceiling joists and structural ridge beams.

Roof framing member names.

A waterproofing seal installed along the roof s valley line with taktekkernbergen no. 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. Rafters are inclined members spaced from 16 to 48 inches apart. The top horizontal framing members of a framed wall.

Here is a closer look at common roofing terms. 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. They vary in size depending on their length and spacing. Framing consists of a doubled valley rafter in the middle that extends from a top plate corner to a second ridge board with angled jack rafters for support.

Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing. The wood member at the intersection is called the valley rafter and the feet of short spars are nailed to the valley rafter. As you can see in the illustration below roofs have hip rafters ridge boards jack rafters and more. Roof framing involves a lexicon all its own.

When working on a roof it pays to be familiar with these terms. 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. 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. The edge of a roof which runs from eaves to ridge at a gable.

The members making up the main body of the framework of all roofs are called rafters. Don vandervort hometips. Roof truss parts explained. Valley the inward angle of two sloping roof sections.

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. Chimneys are typically built with a water diverter known as a cricket or saddle above the chimney. 1 part of a pitched roof construction that receives the feet of the spars sp ars and ceiling joist ends. The roof framing may be interrupted for openings such as a chimney or skylight.

A waterproofing layer that protects the roof valleys from leaking. The united states still uses imperial units of measurement and framing members are typically spaced sixteen or twenty four inches apart. They do for the roof what the joists do for the floor and what the studs do for the wall. The tops of the inclined.