King Post Roof Truss Diagram

Many building codes do not allow a roof on a shed to be less than 3 12 as flatter roofs are more prone to leaks and snow damage.

King post roof truss diagram.

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. The bottom horizontal which serves as ceiling and upper floor joist is known as the. King post truss is used when there is a need to support the weight of an expansive roof. The truss is suitable for spans varying from 5 to 8 metre.

A 4 12 roof is around 19 degrees. The king post truss does not provide storage space because the frames are usually exposed and do allow extra room. It is not suitable for the long span. A king post truss is a simple triangular gable truss with a center brace known as the king truss.

The top two diagonal pieces that serve as rafters are known as the upper cords. King posts also appear in gothic revival architecture queen anne style architecture and occasionally in. It is often used in simple roof trusses such as in the shed porch and garage. The king post roof truss is the simplest of the trusses because of its simple composition.

Its bottom chord acts as a tie for the room holding the walls from spreading. A king post truss solves many structural problems as well. We will be going over how to do a king post truss on a shed with a 4 12 roof but it can be done on any type of pitch. Roof trusses have revolutionized roof framing.

Choose the right truss type. In a nutshell it s made up of a central vertical post called the king post two rafters meeting at the apex and a tie beam or the horizontal base.