Roof Framing Nomenclature

An example of each is shown in figure 2 1.

Roof framing nomenclature. Overhangs hips and dormers add greatly to the complexity of the framing. Gable a gable roof has a ridge at the center and slopes in two directions. Nearly all roofs are framed using one of two methods. It is simple in design economical to construct.

The butt of a shingle is the end that faces down roof. The top horizontal framing members of a framed wall. Sway bracing there are a few ways to sway brace the wall. Collar tie also collar beam in profile the framing of a conventional pitched roof forms a triangle.

Mirrored pairs of rafters meet at a ridge and are connected across the base by a ceiling joist. This is to help prevent deflection and sag in the roof. 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. Standard stick framing or the newer truss framing.

On any wall panel or framing piece the beams that run horizontal at the very top and bottom of the frame are called plates. Common types of roofs and basic framing terms. However green building uses a single top plate and ensures that rafters and ceiling joists sit on the plate directly over the studs. Roof framing can be simple or complex depending on the roof.

At the top of a wall panel you have a top plate and at the bottom you ll have a bottom plate. It is the form most commonly used by the navy. 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. Definition of structural ridge or ridge beam used in roof framing a structural ridge beam is a horizontal beam placed at the peak or ridge of a roof and is designed to carry much of the live and dead loads or weight of the roof structure by itself.

The inherent strength and integrity of the triangular form makes the roof a sound structure.