How To Support A Roof Truss

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.

How to support a roof truss.

This house uses trusses for the roof framing. Trusses like rafters form the profile of the structure s roof. But 99 of the time a roof truss is going to give you so much more. Finally the truss calculator will compute the best dimensional method to connect the pieces of the truss with steel joints and a bridge.

While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. Here are the pros of trusses. Select the roof truss and click the open object edit button. Trusses consist of two lengths of lumber that create the upper edge of the truss a bottom chord that connects the two opposite ends of the top chord and a series of supporting webwork in the middle.

Trusses are pre fabricated triangulated wooden structures used to support the roof. Trusses are quite common these days because they have five big advantages from the builder s standpoint. To put together a simple wooden truss you ll fasten a number of pre cut beams into a chosen configuration inside a sturdy triangular frame which will help distribute the weight of the structure more evenly. Check the box beside attic truss.

The alternative is to build up the roof s frame with 2x8s and 2x10s. Trusses are commonly used to provide support for roofs bridges and other expansive structures. Nearly all types of trusses used in roofs from kingpost and queenpost to bowstring and cambered possess a central support beam. They are preferable to large heavy girders because of their low cost and easy implementation.

For large construction projects the design and fabrication of roof trusses should be handled by licensed engineers. These steel joints are needed to support the overall truss. On the general panel of the roof truss specification dialog. Sure there may be an instance where stick framing is your only option and that is understandable.

However unlike rafters trusses are pre assembled before being installed. The pros of using roof trusses instead of stick framing. The same thing is true for the bridge of the truss. The pros of using roof trusses drastically outweigh the pros of stick framing.

Check the box beside force truss rebuild. Extra support for the trusses can be made by placing a 2 by 4 inch piece of lumber from each truss on one side to the truss on the other side high enough to provide head room but low enough to provide support for the trusses. In this situation the walls of a finished attic space or room would go with the roof line. This design allows a truss to span a very long distance without intermediate support.

The term roof truss constitutes a generic catchall referring to the two dozen or so types of trusses used in roofs.