Roof And Truss Design

The primary disadvantage of roof trusses is that the attic space is not easily usable for storage or potential living space.

Roof and truss design.

In addition side and end wall height and type roof shape and bracing requirements must be considered. Roof truss design 1 24 span 2 web with plywood gussets figure 1. For example they have the tendency to have dormers or windows that project out from the roof. This is the distance between trusses.

Bowstring pitched and flat. To do it correctly a stable design model must be created. 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. 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.

The standard roof truss spacing is 2. The roof truss system is one of the most crucial parts to home construction. 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. The steeper the roof the more expensive the trusses get because the longer the boards get and the more roof area increases.

A mansard roof has a few other determining characteristics. Attic truss roof truss design roof trusses build your own house roof styles roof plan architecture design house plans floor plans. As well running an attic air duct system can be very difficult if the roof trusses were not designed for that application.