Roof Truss Vs Rafter

A typical 2 000 square foot home framing costs between 7 000 and 12 000 for a truss roof.

Roof truss vs rafter.

This 26 span truss with a 4 12 roof pitch is the most economical truss we can build. Steeper roof pitches require longer webs which add to the cost. Cost comparison of roof rafters vs trusses. 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.

In finished space insulation is placed between the rafter boards and drywall or other material is fastened to the face. Rafter boards are fastened to the ridge board at the peak and the top plate where they join the wall. Again trusses can create this same open area but not quite as efficiently. Trusses for residential homes.

Expect to pay between 6 and 9 a square foot for rafter framing. Throw in the element of a construction budget and this is where rubber meets the road. Roof truss basics roof trusses are engineered wood alternatives to hand framed rafters. One other benefit to using rafters over trusses is the lead times.

This can take several weeks. Roof framing has undergone a quiet revolution over the past half century. Roof truss systems require engineering and drawings. 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.

Trusses only use 2 4 lumber and are constructed using a web of 2x4s for strength. The same is true if we make it steeper. Live loads are not always present. How much does roof framing cost.

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. 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. The insulation will go between the rafters and drywall will be applied directly to the face of each member.

Lastly remember that we are not talking about trusses in this article just rafters. 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. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses.