Roof Truss Versus Rafter

In finished space insulation is placed between the rafter boards and drywall or other material is fastened to the face.

Roof truss versus rafter.

Live loads are not always present. Cost comparison of roof rafters vs trusses. If we go any larger it will require more webbing inside the truss which will directly affect the cost of the truss. Throw in the element of a construction budget and this is where rubber meets the road.

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. Rafters are the building components that run diagonally from the wall plate to the apex of a roof structure. Roof truss basics roof trusses are engineered wood alternatives to hand framed rafters.

A typical 2 000 square foot home framing costs between 7 000 and 12 000 for a truss roof. Rafters consist of sloping outer beams which provide support. Roof framing has undergone a quiet revolution over the past half century. 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. How much does roof framing cost. A typical home roof construction is composed of multiple trusses spaced out evenly over a span extending from one end of the house to the opposite end. Stick framing is slightly more because of increased labor.

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. This 26 span truss with a 4 12 roof pitch is the most economical truss we can build. Rafters form the foundation for attachment of the roof boards onto which the final roof covering is fixed. Though both rafters and trusses are triangles in shape the trusses have more triangle webs inside the principle frame.

Rafters and trusses are those that support the roof. Expect to pay between 6 and 9 a square foot for rafter framing. 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. Unlike stick built rafter construction that is done on site most trusses are made in a factory and delivered to the work site ready for installation.

While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses.