Traditional Timber Roof Structures

Trada have published span tables in a new softback book called eurocode 5 span tables.

Traditional timber roof structures. If the structural frame of load bearing timber is left exposed on the exterior of the building it may be. It is commonplace in wooden buildings through the 19th century. Rafters have a tendency to flatten under gravity thrusting outwards on the walls. This reflects the weatherproofing requirements of older roofing materials like thatch and peg tiles.

The finished structure is readily adaptable. A truss roof using factory made trusses which are delivered to site complete and just erected. A cut roof this is the traditional method of cutting the timber on site and building up the roof using rafters ridge boards joists and purlins etc the exact details being determined by the size of roof size of timbers etc. 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.

Not only is the volume large enough to convert into living space but the structure can generally be easily. Design of timber structures part 1 2 general structural fire design. Bs en 1995 1 2 eurocode 5. For solid timber members in floors ceilings and roofs for dwellings and various companies do online calculation software.

Timber framing and post and beam construction are traditional methods of building with heavy timbers creating structures using squared off and carefully fitted and joined timbers with joints secured by large wooden pegs. Traditional or cut roof. The rafters distribute the load of the roof covering and structure to the external walls.