Traditional Timber Roof Construction Details

There are two basic methods of pitched roof construction.

Traditional timber roof construction details.

Box frame below left construction consists of wall frames connected at bay intervals by cross tie beams. 11 some examples of older traditional roofs. Part 2 pitched roof construction. 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.

10 complex new roofs. 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 joist acts as a tie preventing the outward deflection of the wall and increases the potential roof span. They can also be used to support a flat ceiling.

They span from the wallplate to the ridge board providing a platform for the underlay battens and tiles. The rafters are the main load bearing elements of the roof. An example of each is shown in figure 2 1. It is possible to divide timber framed buildings into four building types.

Part 3 pitched roof detail. The most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to. Post and truss. Covers flat roof materials and flat.

In this method there are joists and rafters. Part 4 flat roof construction. 7 simple traditional roofs. There are a couple of different methods for constructing pitched style roofs.

It is the form most commonly used by. Gable a gable roof has a ridge at the center and slopes in two directions. One pitched roof construction method is a cut roof method. Pitched room traditional joinery traditionally roofs were constructed on site using sawn timber typically with all joints simply nailed together.

The roof is a separate structural element which bears onto the external walls the roof acting as a lid on a box. 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. Every member of a traditional cut roof is individually cut and assembled on site.

9 complex purlin roofs. 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. Covers pitched roof detail. 8 simple purlin roofs.

Covers pitched roof materials basic pitched roof designs cold and warm pitched roofs and pitched roof construction.