Traditional Roof Construction Timbers

8 simple purlin roofs.

Traditional roof construction timbers.

Traditional or cut roofs usually comprise a series of sloping timbers rafters fixed to a wall plate at their feet and a ridge board or possibly a wall plate at their head. Pitched roof construction. Traditional or cut roof. Prefabricated trusses which are delivered to site and erected.

9 complex purlin roofs. 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. If the structural frame of load bearing timber is left exposed on the exterior of the building it may be. The alternative construction is the traditional cold deck.

The traditional option is steeply pitched rarely less than 35. The overall construction of a traditional cut roof is to ensure that the load of the roof is evenly transmitted to the walls below. Here insulation is usually placed between the roof joists i e. The beams will.

One pitched roof construction method is a cut roof method. The rafters are the main load bearing elements of the roof. 7 simple traditional roofs. Laid across roof beams.

The two basic construction methods of pitched roofs are. Roof building is one of the more complex aspects of site carpentry and is a highly skilled job as the timbers are cut on site and erected one at a time it is both relatively slow and relatively expensive. It is commonplace in wooden buildings through the 19th century. A traditional method of cutting timber on site and building up the roof using rafters joists purlins ridge boards etc.

This is more of a traditional manner in regards to cutting the timber while onsite and building up the roof by the use of rafters ridge boards joists and purlins among others. 11 some examples of older traditional roofs. Rafters have a tendency to flatten under gravity thrusting outwards on the walls. This can be determined by the size of the timbers or the size of the roof.

Get this revit file here. There are two basic methods of pitched roof construction. 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. This places the rafters joists inside the thermal envelope of the building and means that no special ventilation measures need to be taken to maintain the roof timbers.

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.