Timber Roof Trusses

Rafters have a tendency to flatten under gravity thrusting outwards on the walls.

Timber roof trusses.

Whether you select timber trusses for the great room kitchen dining area entryway outdoor shelter or porch harmony s timber trusses add old world craftsmanship and lasting value to your residential or commercial project. The joints that carry the load on the supports are called the support joints. There is a hierarchy of timber framing at work here with trusses supporting the ridge and purlin beams. For larger spans and thinner walls this can topple the walls.

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. These joints are connected with metal plates 6. Other wood species are available at your request and we can also make log trusses.

We offer three options for your timber trusses joint connections. Pairs of opposing rafters were thus initially tied together by a horizontal tie. A timber frame truss roof with ridge beam purlins and common rafters is a stunning combination that creates visual interest and structural complexity. Bolted plate aka antique bolted plate traditional most popular.

The space between each truss is known as a bay. Above these components is a rack of common rafters. Roof trusses consist of timber planks where the connection points are arranged to form an interconnected triangular system that holds the load.