Queen Post Roof Construction

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.

Queen post roof construction.

Queen post truss consists of following components. What is a queen post truss. If you re thinking about replacing your roof with a new one you will need a roof truss calculator. King posts also appear in gothic revival architecture queen anne style architecture and occasionally in.

Queen post roof trusses are very similar in design to king post trusses except that the interior of the truss has two vertical queen posts instead of one central king post. The wooden queen post truss differs from a king post truss in having two wooden uprights or vertical members which are known as queen post. 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. Queen post timber trusses can easily span 30 feet or more.

The upper ends of the queen posts are kept in position by means of a horizontal member known as straining beam. A queen post is a tension member in a truss that can span longer openings than a king post truss. In this roof queen posts are used instead of king post. Queen post roofs queen post trusses are used for spans over 30 feet and contain two perpendiculars to brace up the tie beam spanning the walls.

Even though it is a tension member rather than a compression member they are commonly still called a post. 379 is a queen post truss for a 32 feet span. This online truss calculator will determine the all in cost of your truss based on key inputs related to the pitch width and overhang of your roof. Queen post roof truss design hood roof bonnet roofing systems are basically a mansard roof backwards.

Without posts or struts just a collar or collars aka a truss king post king strut queen post hammer beam false hammer beam single arch braced waggon roof aka. 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. Roof truss other is on the tick box list and on the database this field has a drop down list from which you can choose from the following types. Queen post truss this truss is differ from a king post truss in having two vertical members known as queen posts.

A king post uses one central supporting post whereas the queen post truss uses two. They look great and offer an open area in the middle of the truss.