King Post Timber Roof Truss

The king post timber truss handles long spans and heavy load conditions.

King post timber roof truss.

A king post truss is used to form a standard gable roof. King post roof truss a king post has a central vertical post as used in architectural or bridge designs working in tension to support a beam below from a truss apex above. The king post roof truss is the simplest of the trusses because of its simple composition. A king post extends vertically from a crossbeam the tie beam to the apex of a triangular truss.

The truss has four main parts. The king post truss with struts is popular timeless very strong and an elegantly simple truss design. It is often used in simple roof trusses such as in the shed porch and garage. The king post truss is also called a latin truss.

A king post truss solves many structural problems as well. This style can be embellished with radius cuts on the struts and a through tenon at the base of the king post as pictured above. The strong king post truss style has a variety of design options and can span large areas. The truss is a framework consisting of rafters posts and struts which supports your roof.

The king post itself in tension connects the apex of the truss with its base holding up the tie beam also in tension at the base of the truss. A king post truss design features a single vertical joist that runs through the center of the triangular frame. The important point to keep in mind when you use your truss calculator is that every truss calculation is completely unique and is based on the size of your roof and its specific dimensions. 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.

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. This style is useful for framing structures that don t require quite as much support as structures that bear more weight. The top two diagonal pieces that serve as rafters are known as the upper cords. Its bottom chord acts as a tie for the room holding the walls from spreading.

This truss used in conjunction with heavy timber attic or collar tie trusses works well in a loft area a great room or for an entryway. Use a simple king post truss to reinforce small lightweight structures. Its design creates a spectacular focal point in any space. 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.

Roof trusses have revolutionized roof framing. The post can be replaced with an iron rod called a king rod or king bolt and thus a king rod truss. The king post refers to the timber that extends vertically connecting the peak of the triangle with the tie or cross beam effectively holding up the tie beam with a mortise and tenon joint.