Kingpost Roof Construction

Its bottom chord acts as a tie for the room holding the walls from spreading.

Kingpost roof construction.

First off the kingpost roof truss design is an extremely basic direct and utilitarian design every single current trademark. In this video we look at the process of roofing a house in line with current irish building regulations. It is used in aircraft construction. The truss has four main parts.

Queen post roof truss queen post truss is define as a pitched roof support using two vertical tie posts connected between the tie beam and the rafters. Gable a gable roof has a ridge at the center and slopes in two directions. The video looks at the process of slating applying. A king post truss solves many structural problems as well.

The bottom horizontal which serves as ceiling and upper floor joist is known as the lower cord. The kingpost roof truss design can go up against different style that when nitty gritty right can ooze a cutting edge feel. In aeroplanes the king post supports the top cables and helps to support the weight of the plane s wings. The king post truss is also used for simple roof lines and short span bridges.

A king post is part of a supportive structural element called a truss system a framework used in construction to support roofing elements. King posts were used in timber framed roof construction in roman buildings and in medieval architecture in buildings such as parish churches and tithe barns. Sometimes king post roof trusses are constructed with the tie beam in two thicknesses one notched to each side of the foot of the principal rafters and king post as in fig. A king post truss is a simple triangular gable truss with a center brace known as the king truss.

In the south a king post roof truss may be able to span 36 feet with 16 foot spacing where the same truss in a snow belt up north may only be able to span 24 feet with the same spacing. An example of each is shown in figure 2 1. The oldest surviving roof truss in the world is a king post truss in saint catherine s monastery egypt built between 548 and 565. Trusses are elements where its entire member takes either only compression or tension member are not in bending.

The top two diagonal pieces that serve as rafters are known as the upper cords.