30 different types of roof trusses illustrated configurations 1.
Types of roof trusses and their uses.
In fan trusses top chords are divided into small lengths in order to provide supports for purlins which would not come at joints in fink trusses.
There are two fundamental types of trusses i e.
The attic truss or room in roof truss provides a simple structural roof and floor as one complete section.
As the name implies this roof appears flat in structure although it is always pitched at a wider angle to allow water runoff.
It can be used for spans from 10 15m.
A common truss is recognizable by its triangular shape and is most often used in roof construction.
Studio two bearing points truss.
It can be used to span roofs of about 8 yards in width and while it s usually made of wood it can be made from a combination of wood and steel if desired.
Space frame truss contrast to planar truss the members and the nodes are located in the three dimensional space.
The following are various components of a roof truss.
The cord size and web configuration are determined by span load and spacing.
Another simple truss that s easy to use the king post features a central post and is well suited for smaller structures.
Below are the common types of roof.
This particular truss is made out of wood most of the time but it can also be built out of a combination of steel and wood.
Commonly used in cathedral ceilings the cost of this truss is higher because it requires.
If all the members and the nodes are in a planar surface then this truss is a planar truss.
Principal rafter or top chord bottom chord or main tie.
It is usually used for roof construction some common trusses are named in accordance with their web configuration.
Fan trusses are form of fink roof truss.
Fan truss spans upto 10m to 15m it is made of steel.
Raised heel roof truss.
This method allows for greater energy efficiency.
The raised heel roof truss reduces.
Pitched truss or common truss characterised by its triangular shape.