Joining Roof Trusses

On some roof trusses the 2 top chords extend down over the edges of the bottom chord creating a built in overhang.

Joining roof trusses.

Elements that make a roof truss. Your top chords can protrude beyond the bottom chord anywhere from 1 3 feet 0 30 0 91 m. Inclined or horizontal member that establishes the bottom of a truss usually carrying combined tension and bending stresses. You will likely need to use more than 1 length of lumber to make the lower chord so plan on joining the 2 pieces at the midspan of the truss.

In traditional framing the roof is built stick by stick. However occasionally they are delivered in sections and must be joined on site. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. 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.

If you think you d prefer an overhang style truss adjust the measurements for your top chords accordingly. 24 october november 2015 build 139 december 2013 january 2014build 150 build right joining roof trusses most timber trusses are delivered to site as one piece building components. After designing the truss saw each member to its required length. With trusses it is possible to prefabricate the pieces needed into modular frames that can be installed every 24 inches to frame a roof with much less time.

Roof trusses combine rafters and attic floor joists into a modular triangular unit that replaces the traditional roof framing method.