Traditional Pitched Roof Construction Diagrams

The pitch of a roof is its vertical rise divided by its horizontal span and is a measure of its steepness.

Traditional pitched roof construction diagrams.

The overall construction of a traditional cut roof is to ensure that the load of the roof is evenly transmitted to the walls below. Intricate roofs have many parts that incorporate several of the basic roof designs such as a gable roof sitting atop a gambrel or variations of the gable valley roof design using one or a variety of different types of roof trusses also see our very detailed diagrams showing the different parts of a roof truss. 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. Pitched roof construction.

Below we created a very helpful custom diagram that illustrates the various features and layers of a typical roof. There are two basic methods of pitched roof construction. Pitched roofs examples of pitched roofs. 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. There are quite a few parts of a roof on a home including different layers and features. Gable end roof construction if the pitched roof is not a lean to but a normal gable roof we have to divide the total roof span by two in order to form two right angle triangles back to back. 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 simple in design economical to construct. For more information about roofs check out our types of roofs article and diagrams. If your main interest is in flat roofs then you can learn more by reading flat roof construction part 4. Also different architectural styles will use the same type of roof.

It is the form most commonly used by the navy. Like many aspects of a home a roof is fairly complex. Types of roofs the most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to. A pitched or sloping roof has a pitch of at least 15 but often much more.

By knowing the span of the roof and the pitch the pitch is the angle at which the rafters rise we can work out the length of the rafters. 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.

1 2 the total.