Queen Post King Post Roof Truss

King and queen post truss.

Queen post king post roof truss.

The pictures of hales hall barn w axham great barn and w estenhanger castle barn next page show how the queen truss may have developed into the hammer beam roof. King post trusses are also used as a structural element in wood and metal bridges. The oldest surviving roof truss in the world is a king post truss in saint catherine s monastery egypt built between 548 and 565. The queen post truss is simpler and lighter in weight.

Queen post truss is suitable for 8 to 12 meters. Roofs constructed with the combination of king queen post roof trusses are a mansard truss truncated truss and king and queen post truss. They look great and offer an open area in the middle of the truss. The king post truss does not provide storage space because the frames are usually exposed and do allow extra room.

The queen post truss gradually replaced other truss types. A queen post is often confused with a queen strut one of two compression members in roof framing which do not form a truss in the engineering sense. What is a queen post truss. Queen post timber trusses can easily span 30 feet or more.

Oak king post truss an a frame truss with a centre post which so defines it from a queen truss which has no centre support. King posts also appear in gothic revival architecture queen anne style architecture and occasionally in modern construction. 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 truss is suitable for spans varying from 5 to 8 metre.

This truss is made from a variety of materials such as timber or steel. A king post uses one central supporting post whereas the queen post truss uses two. A queen post is a tension member in a truss that can span longer openings than a king post truss. King post truss is used when there is a need to support the weight of an expansive roof.

It is simple r lighter and requires less wood. It does not put weight on the centre of the main tie beam as the king post truss. It does not put weight on the centre of the main tie beam as the king post and crown post do. Day bridge in southwestern pennsylvania.

Queen post roof trusses alone are suitable for span up to 13 5 or 14 meters. There are many king post truss configurations which are largely suitable for short spans here are just a few of the common king post truss types which are priced and featured above. It is not suitable for the long span. 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.