Traditional Timber Roof Construction Details

The most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to.

Traditional timber roof construction details. There are a couple of different methods for constructing pitched style roofs. 9 complex purlin roofs. In this method there are joists and rafters. Part 4 flat roof construction.

Part 3 pitched roof detail. Post and truss. It is the form most commonly used by. 7 simple traditional roofs.

They span from the wallplate to the ridge board providing a platform for the underlay battens and tiles. Box frame below left construction consists of wall frames connected at bay intervals by cross tie beams. By adding ceiling joists a length of timber running horizontally between the rafter feet to the couple roof form the structure becomes much more secure. 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 roof is a separate structural element which bears onto the external walls the roof acting as a lid on a box. Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings. An example of each is shown in figure 2 1. 8 simple purlin roofs.

Pitched room traditional joinery traditionally roofs were constructed on site using sawn timber typically with all joints simply nailed together. 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. Every member of a traditional cut roof is individually cut and assembled on site. Covers pitched roof detail.

Part 2 pitched roof construction. 11 some examples of older traditional roofs. Covers pitched roof materials basic pitched roof designs cold and warm pitched roofs and pitched roof construction. 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.

It is possible to divide timber framed buildings into four building types. This can be determined by the size of the timbers or the size of the roof. The rafters are the main load bearing elements of the roof. The joist acts as a tie preventing the outward deflection of the wall and increases the potential roof span.

One pitched roof construction method is a cut roof method. A truss roof using factory made trusses which are delivered to site complete and just erected. Gable a gable roof has a ridge at the center and slopes in two directions. The overall construction of a traditional cut roof is to ensure that the load of the roof is evenly transmitted to the walls below.

10 complex new roofs.