King Post Roof Truss Details

This truss is very adaptable with regard to desired span and roof pitch.

King post roof truss details.

The king post roof truss is the simplest of the trusses because of its simple composition. A king post truss solves many structural problems as well. 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 the oldest surviving roof truss in the world is a king post truss in saint catherine s monastery egypt built between 548 and 565. Raised offset tied curved 3m 7m options.

The truss has four main parts. Roof trusses have revolutionized roof framing. It is often used in simple roof trusses such as in the shed porch and garage. Build a roof truss.

King posts also appear in gothic revival architecture queen anne style architecture and occasionally in. The king post truss with struts is popular timeless very strong and an elegantly simple truss design. 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 king post truss is also used for simple roof lines and short span bridges.

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. A king post truss is a simple triangular gable truss with a center brace known as the king truss. Oak trusses by otf builders. The top two diagonal pieces that serve as rafters are known as the upper cords.

King post roof truss prices. Trusses are elements where its entire member takes either only compression or tension member are not in bending. 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. 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.

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 bottom horizontal which serves as ceiling and upper floor joist is known as the. Its bottom chord acts as a tie for the room holding the walls from spreading.