Roof Framing Nomenclature

The butt of a shingle is the end that faces down roof.

Roof framing nomenclature.

The top horizontal framing members of a framed wall. Stick truss roof framing. 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. Standard stick framing or the newer truss framing.

Valley the inward angle of two sloping roof sections. Top plate or plates in conventional western platform framing there are two top plates. At the top of a wall panel you have a top plate and at the bottom you ll have a bottom plate. Mirrored pairs of rafters meet at a ridge and are connected across the base by a ceiling joist.

Overhangs hips and dormers add greatly to the complexity of the 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. Roof framing can be simple or complex depending on the roof. Nearly all roofs are framed using one of two methods.

Common types of roofs and basic framing terms. The inherent strength and integrity of the triangular form makes the roof a sound structure. It is the form most commonly used by the navy. Collar tie also collar beam in profile the framing of a conventional pitched roof forms a triangle.

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. An example of each is shown in figure 2 1. 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. This is to help prevent deflection and sag in the roof.

It is simple in design economical to construct.