A timber roof truss is a structural framework of timbers designed to bridge the space above a room and to provide support for a roof. A roof truss is cross-braced into a stable, rigid unit. Ideally, it balances all of the lateral forces against one another, and thrusts only directly downwards on the supporting walls.
What's the difference between rafters and trusses?
Rafters and trusses are those that support the roof. Rafters consist of sloping outer beams which provide support. As the trusses come with a web of triangles inside the main frame, they provide more support than the rafters.
What are roof trusses and how are they designed?
Basically, they are triangular wooden structures designed to keep the integrity of a roof. A roof truss is comprised of three main components: top chords, bottom chords, and web bracing. The framework consists of posts, struts, and rafters. The sizes of these parts are determined by load, spacing, and span.
What is a roof truss in construction?
A roof truss is best described as a structural framework of timbers that's designed to provide support for a roof. They're also used to bridge the space above a room. For trusses, the triangular webbing of structural pieces not only provide support for the roof, but they also tie the outside walls of the home together.10 Mar 2021
Which is better rafters or trusses?
If you plan on increasing the amount of room or storage space in your attic, rafters are the right choice. If you're looking to keep your attic the way it is and want stronger support and quicker roof construction, we recommend installing roof trusses.19 Mar 2021
Are roof trusses stronger than rafters?
Are Roof Trusses Stronger Than Rafters? Yes, roof trusses can hold a great deal more weight than the rafters. Not only that, but they can also span a longer distance and still hold more weight.19 Sept 2021
Is it cheaper to use trusses or rafters?
Trusses are lightweight engineered units consisting of top and bottom "chords" supported by a webbing of lumber in a triangle shape. Because they're pre-made to your building specs offsite, often via automation like computer-driven saws, they are much faster and cheaper to install than rafters.