Roof Truss Elements

Parallel chord roof truss.

Roof truss elements.

The main reasons for using trusses are. North light roof truss. Trusses usually occur at regular intervals linked by longitudinal timbers such as purlins. It is a framework typically consisting of rafters posts and struts supporting a roof bridge or other structure.

Roof battens these fasten the vapour barrier to the inside of the rafters interior lining is fastened onto them. Truss members form a series of equilateral triangles alternating up and down. 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. A joint framed structure that sustained the inclined vertical or horizontal loads.

A truss is essentially a triangulated system of straight interconnected structural elements. A metal plate connected wood truss is a roof or floor truss whose wood members are connected with metal connector plates. Raised heel roof truss. In structural engineering the name truss describes a triangular design.

For larger spans and thinner walls this can topple the walls. The most common use of trusses is in buildings where support to roofs the floors and internal loading such as services and suspended ceilings are readily provided. Collar tie prevents rafters from moving. You will find them supporting the roofs of auditoriums cinema halls stadiums railways stations airports and others.

Rafter the basic load bearing component of the roof. The space between each truss is known as a bay. Here are most popular roof trusses widely used. Each type has specific design considerations and advantages and disadvantages.

Interior lining lining boards fastened to the battens. Pairs of opposing rafters were thus initially tied together by a horizontal tie. Ridge truss static connection of the rafters.