Parts Of A Timber Roof Truss

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.

Parts of a timber roof truss.

Cantilever strut web that joins the bottom chord above the. A horizontal cut to the bottom of a sloping bottom chord usually the width of the bearing i e. Rafters have a tendency to flatten under gravity thrusting outwards on the walls. 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.

Structural support of trusses usually walls normally with a timber wall plate. Bearing cut or seat cut. A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load. A timber roof truss is a structural framework of timbers designed to bridge the space above a room and to provide support for a roof trusses usually occur at regular intervals linked by longitudinal timbers such as purlins the space between each truss is known as a bay.

The highest point on a truss where the sloping top chords meet. Cantilever part of structural member that extends beyond its support. Bottom chords bc the lowest longitudinal member of a truss. Bearing structural support of trusses usually walls normally with a timber wall plate.

The wall plate width see figure 7. The basic components of a roof truss. Apex highest point where the sloping top chords meet. It is a waterproofing layer made of regular felt stacked above the solid.

A slight vertical cut usually less than 75mm at the.