Roof Truss Vs Rafter

Rafter boards are fastened to the ridge board at the peak and the top plate where they join the wall.

Roof truss vs rafter.

Explore labor costs to set install replace or repair for gambrel. Roof trusses in many modern construction projects prefabricated roof trusses are used. A truss is a framework of lumber that is designed to structurally support the space above a room while providing support for the roof. In today s professional roofers blog we have chosen to go beneath the shingles a little to discuss some important structural terms that relate to your roof but that you certainly won t see on the outside of your home.

So your decision to use one over another really comes down to cost. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. Be sure to price out both options to a minimum of three carpenters three lumber suppliers and three truss companies. Instead of using a ridge board with rafter boards a common roof truss consists of two angled beams that create the roofline called top chords.

These long planks support the roof sheathing and roofing. Cost comparison of roof rafters vs trusses. Roof joists ceiling joists rafters and trusses depending on the style and slope of your home roof you will likely have one or two of these structural elements. These triangulated structures with a high degree of strength and stability due to the geometry used form both the joist and rafter components of a building.

Premade size 4 12 24 ft 50 ft or type scissor attic hip mono and more. In finished space insulation is placed between the rafter boards and drywall or other material is fastened to the face. Unless you are going for an exposed rafter look the end result will be the same whether you go with roof trusses or rafters. Like rafters you can find trusses made of wood or steel and for contractors and roofers eager to put a unique spin on a roof popular truss styles include dual pitch howe queen post pratt stub fink and more.

The boards creating the slope of the roof are wider than lumber used to build trusses 2x8s 2x10s and 2x12s are most common in rafters vs.