Roof Truss Versus Rafter

What is a rafter.

Roof truss versus rafter. Expect to pay between 6 and 9 a square foot for rafter framing. This 26 span truss with a 4 12 roof pitch is the most economical truss we can build. The same is true if we make it steeper. Roof truss basics roof trusses are engineered wood alternatives to hand framed rafters.

Constructing a roof using rafters is also known as stick framing which simply means that each rafter is built on site with lumber every piece of lumber is carefully measured cut and tightened together labor. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. A typical 2 000 square foot home framing costs between 7 000 and 12 000 for a truss roof. If we go any larger it will require more webbing inside the truss which will directly affect the cost of the truss.

How much does roof framing cost. Rafter boards are fastened to the ridge board at the peak and the top plate where they join the wall. 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. Examples of live loads are snow wind rain and temporary construction loads.

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. Steeper roof pitches require longer webs which add to the cost. For one you must consider the complexity of the project. A rafter is a traditional roof framing method in the form of elongated lumber that s normally inclined from a central ridge beam and joins with the outer walls.

Although there are similarities the factors you need to consider when determining whether to use rafters or trusses for your shed roof can be quite different for a house than for a shed. Cost comparison of roof rafters vs trusses. They support live and dead loads by efficiently transferring the loads to the building walls or supports. 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.

Throw in the element of a construction budget and this is where rubber meets the road. Stick framing is slightly more because of increased labor. Live loads are not always present. In finished space insulation is placed between the rafter boards and drywall or other material is fastened to the face.

Why has this change occurred and what are the advantages and disadvantages of rafters vs trusses.