Traditional Timber Cut Roof Design

They span from the wallplate to the ridge board providing a platform for the underlay battens and tiles.

Traditional timber cut roof design.

Dormer windows require their own mini roofs and great care must be given to their detailing and construction. Trusses usually occur at regular intervals linked by longitudinal timbers such as purlins. Also different architectural styles will use the same type of roof. 50mm wide by 75mm 100mm or 125mm deep are all.

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. 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 overall construction of a traditional cut roof is to ensure that the load of the roof is evenly transmitted to the walls below. 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.

There are also a number of other framed constructions such as portal frame roofs. The rafters are the main load bearing elements of the roof. The finished structure is readily adaptable. Traditional or cut roof the traditional option is steeply pitched rarely less than 35.

Prefabricated trusses which are delivered to site and 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. The space between each truss is known as a bay. A traditional method of cutting timber on site and building up the roof using rafters joists purlins ridge boards etc.

The roof can be cut in the traditional way or fabricated from mono trusses. Types of pitched roof. 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. 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.