Roof And Truss Design

To do it correctly a stable design model must be created.

Roof and truss design.

Roof trusses design plans are prepared to make sure that the design of the roof truss suits the building after taking into account the loading pressure on roof truss spacing required and the materials used in roofing. The design of a roof truss is crucial in ensuring the longevity of a home. The primary disadvantage of roof trusses is that the attic space is not easily usable for storage or potential living space. The roof truss system is one of the most crucial parts to home construction.

Aside from personal preference the style of the truss must be designed to properly support the roof of the home. The standard roof truss spacing is 2. A mansard roof has a few other determining characteristics. The shape of the roof span of the truss and loads play a significant role in choosing the type of roof truss to be used.

This is the distance between trusses. Roof truss design 1 24 span 2 web with plywood gussets figure 1. You will also incur additional costs because it is much harder to deck and shingle a roof that is 12 12 pitch versus a 4 12 roof. As well running an attic air duct system can be very difficult if the roof trusses were not designed for that application.

Architectural style types of roofing material methods of support of column framing and relative economy are the principal factors influencing a choice among the three basic types of trusses. Bowstring pitched and flat. The steeper the roof the more expensive the trusses get because the longer the boards get and the more roof area increases.