A common truss is recognizable by its triangular shape and is most often used in roof construction. Each roof truss has pros and cons, and it must be designed to suit specific conditions and purposes. It is important to have in mind what type of look you want to have in your finish building when selecting the type of roof truss. A parallel chord or flat truss is so named for its parallel top and bottom chords and is often used to construct floor
There are many roof truss types and variations, including Arch Frame, Belgian, Dropped Chord, Gambrel, Hip Step-down, Howe, Parallel Chord, Pratt Bottom Chord, Pratt Top Chord, Raised Heel, Scissor, Semi Howe, Slope Frame and Warren.