Roof Truss Vs Rafter

Again trusses can create this same open area but not quite as efficiently.

Roof truss vs rafter.

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. The same is true if we make it steeper. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. Trusses for residential homes.

This 26 span truss with a 4 12 roof pitch is the most economical truss we can build. Expect to pay between 6 and 9 a square foot for rafter framing. Trusses only use 2 4 lumber and are constructed using a web of 2x4s for strength. Live loads are not always present.

Rafter boards are fastened to the ridge board at the peak and the top plate where they join the wall. The method that utilizes rafter roof construction is generically known as stick framing the rafters are lengthy planks usually 2 x 10s or 2 x 12s that slope down from the central ridge beam at the peak of the roof intersecting with the outside walls. 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 much does roof framing cost.

Stick framing is slightly more because of increased labor. This can take several weeks. Trusses are gradually replacing the conventional rafters to the point that nowadays more than 80 percent of new residential construction uses trusses to support the roof. Roof truss basics roof trusses are engineered wood alternatives to hand framed rafters.

In finished space insulation is placed between the rafter boards and drywall or other material is fastened to the face. Steeper roof pitches require longer webs which add to the cost. One other benefit to using rafters over trusses is the lead times. Throw in the element of a construction budget and this is where rubber meets the road.

Examples of live loads are snow wind rain and temporary construction loads. They support live and dead loads by efficiently transferring the loads to the building walls or supports. The reason for this is that flat or shallow roofs withstand much more abuse and loads than steeper roofs making wider shed roof rafters a necessity. A typical 2 000 square foot home framing costs between 7 000 and 12 000 for a truss roof.

Roof truss systems require engineering and drawings. Roof framing has undergone a quiet revolution over the past half century. Cost comparison of roof rafters vs trusses.