Terminology Parts Of A Roof Truss

Truss bottom chord to compensate for deflection due to dead load.

Terminology parts of a roof truss.

Top chord an inclined or horizo ntal member that establis hes the upper edge of a truss. 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. Different parts of the truss are known by a variety of terms. A waterproofing layer that protects the roof valleys from leaking.

A waterproofing seal installed along the roof s valley line with taktekkernbergen no. Bearing structural support of trusses usually walls normally with a timber wall plate. A sheet metal or pvc profile attached at the end of the overhang of the roof trusses to catch rain water runoff from the roof figure 3 heel. Bearing cut or seat cut.

Roof cap the total roof assembly members located above the wall line such as beams trusses plates purlins decking bridging ceiling roofing etc. Sometimes the bearing sits between the top and bottom chord of the truss and a mid height bearing the 2x6 vertical shown in the image below will be used. Roof trusses manufacturers terminology components of a truss apex peak. One of a series of diagonal.

If the bearing is below the truss bottom chord the end vertical of the truss can extend down to sit on the bearing. The portion of the roof projecting out from the side walls of the house. Trusses can be designed to have support right under the top chord. A truss that supports other trusses beams or rafters figures 1 2.

Saddle a covering on the ridge of the roof so that water will drain. Below are some commonly used terms that identify parts of a roof and types of roofing. Cantilever part of structural member that extends. Anatomy of a basic roof truss share share on pinterest roof truss parts explained rafter.

Select the labelled areas for a description of the different parts of the roof truss. The basic components of a roof truss apex highest point where the sloping top chords meet. Scupper an opening in a roof usually faced with metal flashing to drain water from the roof at a given point. Anatomy of a traditional king post roof truss share share on pinterest a.

Bottom chord the horizontal and inclined ie. This member is subjected to compressive and bending stresses. Parts of a. Bottom chord bc or tie beam.

Each part explained in detail. Chords the o uter members of a truss that define the envelope or sh ape. The part of a truss where the top chord and bottom chord intersect figures 3 6.