Traditional Cut Roof

The finished structure is readily adaptable.

Traditional cut roof.

Prefabricated trussed rafters also have distinct advantages over traditional cut roofs by being able to clear greater spans without the need for additional supports. Our modern design software allows the roof trusses to be designed for virtually any roof shape. 50mm wide by 75mm 100mm or 125mm deep are all common. Traditional or cut roof.

Every piece is measured cut and fastened together to form the rafter. The triangular shape of the truss adds stability and support by distributing weight away from the exterior walls. 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 rafters are the main load bearing elements of the roof.

The roof can be cut in the traditional way or fabricated from mono trusses. Building with them is known as stick framing. A truss roof using factory made trusses which are delivered to site complete and just erected. The overall construction of a traditional cut roof is to ensure that the load of the roof is evenly transmitted to the walls below.

Dormer windows require their own mini roofs and great care must be given to their detailing and construction. The timbers are often 400mm or so centres and vary in size according to span. This reflects the weatherproofing requirements of older roofing materials like thatch and peg tiles. The traditional option is steeply pitched rarely less than 35.

Rafters are the traditional means of framing a roof. The flexibility of roof trusses is undoubtedly what sets them apart from other methods of construction in this area. This means that each rafter is built on the job site using dimensional lumber. 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.