Traditional Timber Roof Construction Details

Part 2 pitched roof construction.

Traditional timber roof construction details.

The roof is a separate structural element which bears onto the external walls the roof acting as a lid on a box. Box frame below left construction consists of wall frames connected at bay intervals by cross tie beams. The joist acts as a tie preventing the outward deflection of the wall and increases the potential roof span. Covers pitched roof materials basic pitched roof designs cold and warm pitched roofs and pitched roof construction.

10 complex new roofs. Post and truss. It is the form most commonly used by. Part 4 flat roof construction.

In this method there are joists and rafters. Pitched room traditional joinery traditionally roofs were constructed on site using sawn timber typically with all joints simply nailed together. 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. An example of each is shown in figure 2 1.

Every member of a traditional cut roof is individually cut and assembled on site. 8 simple 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. It is possible to divide timber framed buildings into four building types.

Covers pitched roof detail. A truss roof using factory made trusses which are delivered to site complete and just erected. Covers flat roof materials and flat. There are a couple of different methods for constructing pitched style roofs.

Part 3 pitched roof detail. They can also be used to support a flat ceiling. 9 complex purlin roofs. This can be determined by the size of the timbers or the size of the roof.

The overall construction of a traditional cut roof is to ensure that the load of the roof is evenly transmitted to the walls below. Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings. The most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to. 11 some examples of older traditional roofs.

7 simple traditional roofs. Gable a gable roof has a ridge at the center and slopes in two directions. 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. 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.

The rafters are the main load bearing elements of the roof.