Timber Roof Truss Design Guide

To turn your ideas and drawings into exactly and accurately engineered roof trusses.

Timber roof truss design guide.

If you re looking for a complete guide for roof trusses then you ve come to the right place. Rafters are a cheaper solution for roof construction. 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 the truss requires a bigger timber size due to the load it is to carry the bigger size is usually applied to the bottom chord first leaving the top chord and webs at 90x35mm.

Stubbed duo with raised ends in support areas is used at higher loads because this design is able to withstand higher roofing and snow loads than duo timber trusses. This roof truss design guide will discuss several of the most popular styles of decorative feature roof trusses. The more complex the truss framework is the greater quantity of these joints will be required. Most basic timber roof trusses timber dimensions are 90x35mm and start at strength grade mgp10 old grading called f5.

This type of timber roof truss design guide is incredibly immune to solid winds so is optimal for high wind or cyclone vulnerable locations. 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. But more importantly they provide the basis for a strong sturdy timber home. You can use the links below to navigate throughout the guide.

Finally the truss calculator will compute the best dimensional method to connect the pieces of the truss with steel joints and a bridge. The timber roof truss design guide is the result of a collaboration between our roof truss designers with builders architects and homeowners. In buildings with a closed attic space support and access are the only real concerns so simpler types of trusses are used. Timber roof truss design guide hood roof.

The same thing is true for the bridge of the truss. These steel joints are needed to support the overall truss. Rafters are considered by the public and often by professionals to be the most cost effective roofing solution but this is a misconception. 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.

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. Likewise referred to as kicked eaves a hood roof has 4 sides with a high top incline as well. Some myths about roof rafters. The 5 types of trusses for timber frame homes in truss systems engineering and art intersect creating the open concept designs that today s buyers seek.