Roof Truss Basics

Live loads are not always present.

Roof truss basics.

While most home builders will outsource the construction of roofing trusses the rafter supports of the roof itself learning to frame a roof yourself is one of the true arts of carpentry and a basic primer is covered below. More images roof truss elements angles basics. In a fink truss the internal joists are arranged in a w shape ensuring even weight distribution from one end to the other. Share on facebook tweet.

Examples of live loads are snow wind rain and temporary construction loads. Add to list click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to your list. Dead loads are always present. As well running an attic air duct system can be very difficult if the roof trusses were not designed for that application.

While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. Roof truss design 1 24 span 2 web with plywood gussets figure 1 figure 1 roof truss 24 span 2 web with plywood gussets detailed information for a 2 web roof truss with a 24 span with plywood gussets. Framing a roof is the last step in framing new construction. It will use the current cost of wooden rafters based on the average price found at home improvement stores.

Compare click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to the compare list. Click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to the compare list. Fink trusses were originally invented for the purpose of beefing up bridges but many contractors now use them to increase the strength of interior structures. A roof truss is a structural unit designed to frame a roof and to support the roof material interior ceiling insulation and forces caused by snow rain and wind.

They support live and dead loads by efficiently transferring the loads to the building walls or supports. A roof truss is supported by the exterior walls and span the width of the building. Just as there are many types of roofs with many roof parts there are many different types of roof trusses this extensive article explains through a series of custom truss diagrams the different truss configurations you can use for various roofs.