Roof Truss Framing Terminology
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.
Roof truss framing terminology. When making a selection below to narrow your results down each selection made will reload the page to display the desired results. A truss is a single plane framework of individual structural member sic connected at their ends of forms a series of. There are many types of roof trusses as wall as many types of roofs more types than there are parts. Post frame roof truss 23 residential end frame 1 residential roof truss 88 style.
The roof truss structure and design is integral to roof structural integrity and shape. Truss derives from the old french word trousse from around 1200 which means collection of things bound together. Framing terms knowing the basic vocabulary is a necessary part of your work as a builder. Pricing roof trusses.
Learn all of the terminology designs and uses for trusses. These steel joints are needed to support the overall truss. The pros of using roof trusses drastically outweigh the pros of stick framing. Sure there may be an instance where stick framing is your only option and that is understandable.
The same thing is true for the bridge of the truss. Roof features associated with basic roof framing terms are shown in figure 2 2. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. A truss is a frame that supports loads by efficiently transferring its forces to end supports.
Common 60 dropped end frame 3. This article and series of illustrated diagrams shows you all the parts of a basic roof truss king truss and queen truss. One engineering definition is. The term truss has often been used to describe any assembly of members such as a cruck frame or a couple of rafters.
Members which are expensive and might require either additional beams or interior load bearing walls trusses can span a longer distance without additional supports while using less expensive members. Pros of using roof trusses instead of stick framing. Valley members may also be used for decorative gables dormers porches and more. Overview of trusses use of trusses in buildingtrusses are used in a broad range of buildings mainly where there is a requirement for very long spans such as in airport terminals aircraft hangers sports stadia roofs auditoriums and other leisure buildings trusses are also used to carry heavy loads and are sometimes used as transfer structures.
The pros of using roof trusses instead of stick framing. How to order trusses. Finally the truss calculator will compute the best dimensional method to connect the pieces of the truss with steel joints and a bridge. In the following section we ll cover some of the more common roof and rafter terms you ll need.
Valley sets are used to form the ridge line and framing between the main and secondary roof structure and can be common dual pitch or mono shaped in their design.