Bearing cut or seat cut.
Roof truss terminology.
Some of the more common are listed below and are illustrated on pages 3 4.
A triangulated combination of members and joints that forms a rigid structural component of a roof designed to support both permanent and imposed loads.
The highest point on a truss.
Ansi is the american national standards institute.
A roof s slope is the number of inches it rises for every 12 inches of horizontal run a roof with a 4 in 12 slope rises 4 inches for every 12 inches of horizontal run.
Truss terms the terms below are typically used to describe the various parts of a metal plate connected wood truss.
The terms pitch and slope are simply two different ways of expressing the same measurement.
Pitched truss any truss in which the top chord is sloped and the bottom chord is horizontal.
Slopes at roof pitch.
Flat truss a truss which has the top chord parallel to the bottom chord over the entire length of the truss.
If the roof eave extends beyond the gable end wall by more than 1 then a dropped gable is normally used.
Bottom chord bc or tie beam.
Square the amount of roofing material needed to cover 100 square feet of roof.
Ansi tpi 1 1 1995 is a publication of the truss plate institute tpi and ansi defining a standard for design and manufacture for metal plate connected wood trusses mpcwt.
Anchorage is the connection of the roof or floor truss to the building structure.
Truss terminology the terms below are typically used to describe the various parts of a metal plate connected wood truss.
A truss consists of one or more triangles in its construction.
Symmetrical a truss whose loading and configuration is exactly the same on both sides of the centerline.
A truss may also be so manufactured because of transportation considerations e g.
Truss terminology technical terms used in the truss industry may not be familiar.
The gable roof provides for the most basic of roof systems.
Roof trusses manufacturers terminology components of a truss apex peak.
The part of a structural member that extends beyond its support see figure.
The same roof has a 4 12 or 1 3 pitch.
Typical framing systems gable.
Tension forces being exerted on a truss member that creates pulling apart or elongating effect.
A gable roof has vertical planes usually on the.
Trim along the edge of roofing at a gable end.
Truss a pre built structural member capable of supporting a load over a given span.
It is fixed to ends of battens purlins or verge rafters.
