Roof Truss Component Names

Hip this is an external angle formed by the intersection of two sloping roof planes.

Roof truss component names.

The wall plate width see figure 7. 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. Rafters have a tendency to flatten under gravity thrusting outwards on the walls. The rafters when combined together help to form the truss.

Structural support of trusses usually walls normally with a timber wall plate. 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. Truss the truss is a framework comprised of wooden beams that helps to support the roof. 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.

A slight vertical cut usually less than 75mm at the. The highest point on a truss where the sloping top chords meet. A horizontal cut to the bottom of a sloping bottom chord usually the width of the bearing i e. 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.

Rafters these are wooden beams that run from the top of the roof to the bottom. Bearing cut or seat cut. Roof truss parts explained.