Attic Truss Terminology

Portion of the end wall above the eave line of a double sloped roof.

Attic truss terminology.

Bearing cut or seat cut. Each hip truss has the same span and overhang as the adjacent standard trusses but decreases in height with the top and bottom chords of its center portion parallel to each other and horizontal. The truss profile span heel height overall height overhang and web configuration depend on the specific design conditions and will vary by application. A truss consists of one or more triangles in its construction.

Flat truss a truss which has the top chord parallel to the bottom chord over the entire length of the truss. The highest point on a truss where the sloping top chords meet. Eaves on a sloped roof the horizontal underside that projects out from the house wall. A truss or trusses designed to assist in resisting the effects of seismic events by acting as a drag strut.

Dead load weight of roof trusses top chord bottom chord webs weight per lineal foot plf 2x4 2x4 2x4 4 3 2x4 2x8 2x4 5 6 2x6 2x4 2x4 4 8 2x6 2x6 2x4 5 5 2x6 2x6 2x6 6 2 2x6 2x8 2x4 5 9 2x6 2x10 2x4 6 6 2x6 2x10 2x6 7 2 2x8 2x8 2x4 6 6 2x8 2x8 2x6 7 2 2x8 2x10 2x8 8 4 dead load weight of floor trusses depth in inches top chord bottom chord. Truss a pre built structural member capable of supporting a load over a given span. Tension forces being exerted on a truss member that creates pulling apart or elongating effect. Roof trusses manufacturers terminology components of a truss.

Truss a pre built structural member capable of supporting a load over a given span. The gable roof provides for the most basic of roof systems. A gable roof has vertical planes usually on the. The wall plate width see figure 7.

A truss consists of one or more triangles in its construction. Truss terminology the terms below are typically used to describe the various parts of a metal plate connected wood truss. Square the amount of roofing material needed to cover 100 square feet of roof. Pitched truss any truss in which the top chord is sloped and the bottom chord is horizontal.

Symmetrical a truss whose loading and configuration is exactly the same on both sides of the centerline. Structural support of trusses usually walls normally with a timber wall plate. Flat truss a truss which has the top chord parallel to the bottom chord over the entire length of the truss. A horizontal cut to the bottom of a sloping bottom chord usually the width of the bearing i e.

Pitched truss any truss in which the top chord is sloped and the bottom chord is horizontal. Typical framing systems gable. This drag strut drag truss or collector is a single element or component designed to transmit lateral loads to lateral load resisting systems that are parallel to the applied force.