Roof framing has undergone a quiet revolution over the past half century.
Trussed roof vs rafter.
One other benefit to using rafters over trusses is the lead times.
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.
Rafters consist of sloping outer beams which provide support.
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.
However with advanced technology new construction techniques have started using trusses shown on the right image above.
Why has this change occurred and what are the advantages and disadvantages of rafters vs trusses.
For a 2 000 square foot home roof truss installation typically costs between 7 200 and 12 000 you ll spend anywhere from 1 50 to 4 50 per square foot for materials alone or between 35 and 150 though extremely long and complex types can reach 400 each labor runs anywhere from 20 to 75 per hour ranges in both materials and labor are due to location size and roof complexity.
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.
Overwhelmingly popular roof rafters shown on the left image above were used in most houses in the past.
Roof truss systems require engineering and drawings.
As they work on a roof and walk back and forth most of the time a trussed roof is very solid with no bounce.
While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses.
In finished space insulation is placed between the rafter boards and drywall or other material is fastened to the face.
What is a 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.
Though both rafters and trusses are triangles in shape the trusses have more triangle webs inside the principle frame.
Trusses for residential homes.
This can take several weeks.
Again trusses can create this same open area but not quite as efficiently.
Rafter boards are fastened to the ridge board at the peak and the top plate where they join the wall.
Roofs come in various sizes and shapes such as shed hip flat gable gambrel to name a few.
The insulation will go between the rafters and drywall will be applied directly to the face of each member.
Framers or roofer also have given me feedback about the strength of a trussed roof versus a stick framed roof.
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.
