Types Of Roof Trusses And Their Uses

Principal rafter or top chord bottom chord or main tie.

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. As the name implies this roof appears flat in structure although it is always pitched at a wider angle to allow water runoff. If all the members and the nodes are in a planar surface then this truss is a planar truss. Commonly used in cathedral ceilings the cost of this truss is higher because it requires.

It is usually used for roof construction some common trusses are named in accordance with their web configuration. 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. Fan truss spans upto 10m to 15m it is made of steel. It can be used for spans from 10 15m.

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. Raised heel roof truss. Planar truss as the name implies it is a two dimensional truss.

Pitched truss or common truss characterised by its triangular shape. Common types of roof trusses parallel chord roof truss. There are two fundamental types of trusses i e. This method allows for greater energy efficiency.

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. The raised heel roof truss reduces. Below are the common types of roof. A common truss is recognizable by its triangular shape and is most often used in roof construction.

30 different types of roof trusses illustrated configurations 1. Studio two bearing points truss. 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.