Parts Of A Timber Roof Truss

Bearing cut or seat cut.

Parts of a timber roof truss.

Cantilever part of structural member that extends beyond its support. A slight vertical cut usually less than 75mm at the. 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. 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.

It is a waterproofing layer made of regular felt stacked above the solid. A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load. The wall plate width see figure 7. Bottom chords bc the lowest longitudinal member of a truss.

Bearing structural support of trusses usually walls normally with a timber wall plate. Structural support of trusses usually walls normally with a timber wall plate. A horizontal timber or metal resting at the peak of the roof the rafters and trusses are connected to the ridge board for a cohesive framework. A horizontal cut to the bottom of a sloping bottom chord usually the width of the bearing i e.

Cantilever strut web that joins the bottom chord above the. The basic components of a roof truss. Apex highest point where the sloping top chords meet. 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.

Roof truss parts explained.