Roof Truss Component Names

The rafters when combined together help to form the truss.

Roof truss component names.

Truss the truss is a framework comprised of wooden beams that helps to support the roof. The highest point on a truss where the sloping top chords meet. Rafters have a tendency to flatten under gravity thrusting outwards on the walls. Structural support of trusses usually walls normally with a timber wall plate.

Bearing cut or seat cut. Roof trusses can be said to be the skeleton of the roof as you known the skeleton produce the shape of animals even humans. Modern timber roofs are mostly framed with pairs of common rafters or prefabricated wooden trusses fastened together with truss connector plates timber framed and historic buildings may be framed with principal rafters or timber roof trusses roofs are also designated as warm or cold roof depending on how they are designed and built with regard to thermal building insulation and ventilation. A slight vertical cut usually less than 75mm at the.

A horizontal cut to the bottom of a sloping bottom chord usually the width of the bearing i e. One of a series of diagonal members of the truss that meet at the apex in order to support the roof deck and its loads. Hip this is an external angle formed by the intersection of two sloping roof planes. A roof is the uppermost parts of any building which give protection against animals and most especially weather be it rain snow sunlight heat wind and so on.

The wall plate width see figure 7. Rafters these are wooden beams that run from the top of the roof to the bottom. Horizontal beams supported by posts and used to support the mid span of rafters to cover longer spans these are used in large buildings like the traditional large old barns in the us.