Terminology Parts Of A Roof Truss

If the bearing is below the truss bottom chord the end vertical of the truss can extend down to sit on the bearing.

Terminology parts of a roof truss.

Truss bottom chord to compensate for deflection due to dead load. 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. A waterproofing seal installed along the roof s valley line with taktekkernbergen no. The portion of the roof projecting out from the side walls of the house.

A waterproofing layer that protects the roof valleys from leaking. Bottom chord the horizontal and inclined ie. Anatomy of a basic roof truss share share on pinterest roof truss parts explained rafter. Bottom chords bc the lowest longitudinal member of a truss.

Bearing structural support of trusses usually walls normally with a timber wall plate. Bottom chord bc or tie beam. Roof cap the total roof assembly members located above the wall line such as beams trusses plates purlins decking bridging ceiling roofing etc. Roof trusses manufacturers terminology components of a truss apex peak.

Below are some commonly used terms that identify parts of a roof and types of roofing. 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. Top chord an inclined or horizo ntal member that establis hes the upper edge of a truss. Saddle a covering on the ridge of the roof so that water will drain.

Cantilever part of structural member that extends. A low slope or flat seeming roof covered with alternating layers of roofing felt and hot mapped asphalt and topped off with a layer of gravel. A truss that supports other trusses beams or rafters figures 1 2. Chords the o uter members of a truss that define the envelope or sh ape.

The basic components of a roof truss apex highest point where the sloping top chords meet. Anatomy of a traditional king post roof truss share share on pinterest a. The part of a truss where the top chord and bottom chord intersect figures 3 6. Bearing cut or seat cut.

Different parts of the truss are known by a variety of terms. Select the labelled areas for a description of the different parts of the roof truss. Trusses can be designed to have support right under the top chord. Scupper an opening in a roof usually faced with metal flashing to drain water from the roof at a given point.

This member is subjected to compressive and bending stresses. What is a king post roof truss. 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.