Pitched Roof Timber Roof Construction Details

Mono pitched roofs are also known by the names of skillion roofs shed roofs pent roof and lean to roof.

Pitched roof timber roof construction details.

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. They differ considerably from the conventional gabled roofs in shape and construction. Ventilated batten void warm roof eaves 3 05 timber frame pitched roof. Construction details of pitched roof.

This can be determined by the size of the timbers or the size of the roof. The minimum pitching or sloping degree for the roof is decided by the minimum slope necessary for excluding the roof covering and drain rainwater to eaves or valley gutter. 3 04 timber frame pitched roof. The building regulations in the uk provide guidance on roof design.

One pitched roof construction method is a cut roof method. The following tables give details of the allowable spans and spacing for some of the more common timber sizes used in traditional roofing construction. There are two basic methods of pitched roof construction. The majority of houses with pitched roofs will have what is now called a cold roof where insulation is laid on the floor of the loft area immediately above the ceiling of the upstairs rooms of the house.

While the gabled roof is always pitched in two directions the mono pitch always slants in a single direction. Ventilated batten void warm roof gable 3 06 timber frame timber flat roof 3 07 timber frame timber flat roof with parapet 3 08 timber frame lintel at window head 3 09 timber frame windows and doors jambs and. An example of each is shown in figure 2 1. A pitched roof is a roof that slopes downwards typically in two parts at an angle from a central ridge but sometimes in one part from one edge to another.

The most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to. The roof is a key element of the building structure providing protection from the elements and has a vital role in reducing heat loss from the building. The pitch of a roof is its vertical rise divided by its horizontal span and is a measure of its steepness. A truss roof using factory made trusses which are delivered to site complete and just erected.

Roofs tend to be either pitched or flat and typically in residential construction timber is the most common material used.