Traditional Timber Roof Construction Details

Pitched room traditional joinery traditionally roofs were constructed on site using sawn timber typically with all joints simply nailed together.

Traditional timber roof construction details.

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

Covers flat roof materials and flat. The rafters are the main load bearing elements of the roof. They can also be used to support a flat ceiling. 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. Gable a gable roof has a ridge at the center and slopes in two directions. Every member of a traditional cut roof is individually cut and assembled on site. Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings.

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 the form most commonly used by. 9 complex purlin 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.

An example of each is shown in figure 2 1. Box frame below left construction consists of wall frames connected at bay intervals by cross tie beams. 7 simple traditional roofs. There are two basic methods of pitched roof construction.

Covers pitched roof detail. 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. Post and truss.

There are a couple of different methods for constructing pitched style roofs. Part 4 flat roof construction. The joist acts as a tie preventing the outward deflection of the wall and increases the potential roof span. 10 complex new roofs.

In this method there are joists and rafters. 11 some examples of older traditional roofs. Part 2 pitched roof construction. It is possible to divide timber framed buildings into four building types.

One pitched roof construction method is a cut roof method.