While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses.
Roof truss parts names.
Horizontal beams supported by posts and used to support the mid span of rafters to cover longer spans these are used in large buildings like the traditional large old barns in the us.
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 trusses usually occur at regular intervals linked by longitudinal timbers such as purlins the space between each truss is known as a bay.
Rafters these are wooden beams that run from the top of the roof to the bottom.
It s important to note that the external forces that appear here and their reactions are acting only in the node area but the way the structure is built allows the dispersion of these.
Roof truss parts explained.
Heel height the thickness of a truss at the end of the bottom chord.
Rafters have a tendency to flatten under gravity thrusting outwards on the walls.
A slight vertical cut usually less than 75mm at the.
Truss the truss is a framework comprised of wooden beams that helps to support the roof.
It is a waterproofing layer made of regular felt stacked above the solid.
Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing.
Hip this is an external angle formed by the intersection of two sloping roof planes.
Parts of a roof the main structural parts of a roof are ceiling joists ridge board jack rafter hip rafter common rafters creeper rafters raking plates out riggers and noggings or last rafter overhang.
Structural support of trusses usually walls normally with a timber wall plate.
A roof truss is basically a structure that includes one or multiple triangular units that include straight slender members with their ends connected via nodes.
A horizontal timber or metal resting at the peak of the roof the rafters and trusses are connected to the ridge board for a cohesive framework.
A horizontal cut to the bottom of a sloping bottom chord usually the width of the bearing i e.
The highest point on a truss where the sloping top chords meet.
The rafters when combined together help to form the truss.
Truss diagram parts of a truss bottom chord the bottom members of a truss.
Roof trusses can be said to be the skeleton of the roof as you known the skeleton produce the shape of animals even humans.
A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load.
Bearing cut or seat cut.
Bottom chord splice if the truss span is too long for two bottom chords the middle bottom chord is referred to as the splice.
One of a series of diagonal members of the truss that meet at the apex in order to support the roof deck and its loads.
Butt cut a small 90 degree cut at the end of a truss usually 1 4.
A roof also beautify a house but the primary purpose of a roof is to protect against any form of weather.