Roof Truss Design Guide

If you re trying to reinforce a shed or gable roof use a simple king post truss design which has a single vertical joist running through the center of the triangular frame.

Roof truss design guide.

A truss frame consists of a roof truss and a floor truss joined by exterior wall studs. You can use the links below to navigate throughout the guide. Pitch slope the pitch or slope is the incline of the roof expressed as a fraction describing the rise over the run. In buildings with a closed attic space support and access are the only real concerns so simpler types of trusses are used.

It s crucial to know about truss design and how it influences price. Save design time build time and money with trusses built in long production runs. For larger structures like floors roofs or decks try a fink truss design which has internal joists arranged in a w shape for extra support. Remember the design of your trusses directly affects the price.

Our design offices employ highly skilled technical staff whose on going software development training ensures we are at the forefront of the industry. The wide variety of possible roof and floor truss designs and combinations is illustrated by figure 1. The run or the base number is 12 inches. End walls may be truss framed with.

With 40 years of roof truss design and fabrication expertise behind us minera roof trusses are experienced in not only meeting but often exceeding our customers expectations. If you re looking for a complete guide for roof trusses then you ve come to the right place. Nected wood trusses recommended design practice and 1980. In stock at plant and ready for immediate pickup.

Roof truss spans up to 86 and floor truss spans up to 40 with depths from 12 to 24. Our truss designers have all completed truss technician training from the structural building components association. The rise will be the elevation change over the 12 inches. Switching between a common truss and scissor truss could adjust the price by 15 30.

As you can see in the pictures the roof and ceiling profiles can be made in many shapes and sizes even in curves. This roof truss design guide will discuss several of the most popular styles of decorative feature roof trusses. The information herein is written as an informative guide to residential wood roof truss construction and to provide an understanding of the basic design criteria of wood trusses. A standard gable truss sits on the end wall of a gable style roof.

For example a slope of 6 12 means for every 12 inches of horizontal distance the slope of the roof will rise 6 inches vertically. Let s dig in standard gable end truss.