Roof Truss Design Guide

When it comes to roof trusses you need to consider everything from design to cost to the pros of using trusses instead of stick framing a roof.

Roof truss design guide.

The wide variety of possible roof and floor truss designs and combinations is illustrated by figure 1. Let s dig in standard gable end truss. Roof truss spans up to 86 and floor truss spans up to 40 with depths from 12 to 24. In stock at plant and ready for immediate pickup.

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. Our design offices employ highly skilled technical staff whose on going software development training ensures we are at the forefront of the industry. Pitch slope the pitch or slope is the incline of the roof expressed as a fraction describing the rise over the run. 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.

The rise will be the elevation change over the 12 inches. However it has become increasingly common for homeowners to remove ceilings to make a feature of the. Nected wood trusses recommended design practice and 1980. As you can see in the pictures the roof and ceiling profiles can be made in many shapes and sizes even in curves.

It s crucial to know about truss design and how it influences price. This roof truss design guide will discuss several of the most popular styles of decorative feature roof trusses. You can use the links below to navigate throughout the 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.

Switching between a common truss and scissor truss could adjust the price by 15 30. 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. End walls may be truss framed with. Our truss designers have all completed truss technician training from the structural building components association.

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. Homeowners and or contractors must consult with the appropriate professional engineers and or other relevant individuals groups and bodies to ensure that the trusses. The run or the base number is 12 inches. A standard gable truss sits on the end wall of a gable style roof.

In buildings with a closed attic space support and access are the only real concerns so simpler types of trusses are used. A truss frame consists of a roof truss and a floor truss joined by exterior wall studs.