The rafters are the main load bearing elements of the roof.
Traditional timber cut roof design.
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.
A traditional method of cutting timber on site and building up the roof using rafters joists purlins ridge boards etc.
The quality of the design of dormers varies considerably from single skin walls clad with upvc sheeting to double skin designs with superior insulation properties.
The roof can be cut in the traditional way or fabricated from mono trusses.
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.
Intricate roofs have many parts that incorporate several of the basic roof designs such as a gable roof sitting atop a gambrel or variations of the gable valley roof design using one or a variety of different types of roof trusses also see our very detailed diagrams showing the different parts of a roof truss.
Traditional cut roof design if you are planning an extension or a new build and would like to build in the provision for a future loft conversion or would simply like to construct a cut roof then please complete the below form and an engineer will get back to you shortly to discuss your requirement.
The overall construction of a traditional cut roof is to ensure that the load of the roof is evenly transmitted to the walls below.
The space between each truss is known as a bay.
Also different architectural styles will use the same type of roof.
Trusses usually occur at regular intervals linked by longitudinal timbers such as purlins.
Dormer windows require their own mini roofs and great care must be given to their detailing and construction.
Types of pitched roof.
This reflects the weatherproofing requirements of older roofing materials like thatch and peg tiles.
The timbers are often 400mm or so centres and vary in size according to span.
The finished structure is readily adaptable.
They span from the wallplate to the ridge board providing a platform for the underlay battens and tiles.
Traditional or cut roof the traditional option is steeply pitched rarely less than 35.
Traditional timber framed buildings in suffolk invariably have pitched roof structures originally covered either with thatch clay tiles or later with slates imported from other parts of the country.
Prefabricated trusses which are delivered to site and erected.
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.
