Pitched Roof Trusses

A pitched roof construction is the classic old school way of roof construction.

Pitched roof trusses.

Some common trusses are named according to their web configuration such as the king post fan fink or howe truss. The pitched or common truss is characterized by its triangular shape. Its bottom chords join together at the apex creating a pitched or vaulted ceiling. Live loads are not always present.

A cut roof this is the traditional method of cutting the timber on site and building up the roof using rafters ridge boards joists and purlins etc the exact details being determined by the size of roof size of timbers etc. There are two basic methods of pitched roof construction. A pitched roof uses not only the external wall systems but also particular parts of the internal walls. A howe scissors truss is so called because its appearance resembles that of an opened pair of scissors.

They support live and dead loads by efficiently transferring the loads to the building walls or supports. With rafters collars ties struts ridges underpurlins ceiling joists hanging beams combination hanging and strutting beams pitching plates and so on. It is most often used for roof construction. Naturally this truss is used in buildings for creating a pitched roof.

The chord size and web configuration are determined by span load and spacing. Examples of live loads are snow wind rain and temporary construction loads. These trusses the meet building code criteria as specified by structural building components of america sbca and the truss plate institute tpi.