Pitched Roof Roof Framing Types
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.
Pitched roof roof framing types. Flat roofs anything that falls under a 2 12 pitch. A roof with a monitor. Steep slopes anything from a 4 12 21 12 pitch. A hip roof has slopes on all four sides.
The sides are all equal length and come together at the top to. A gable roof is a traditional triangle shaped roof that can range from a medium pitch to sharp angled roofs. Often incorporating two or more designs for aesthetics and practical reasons combination roofs can feature a range of styles. Collar ties rafter ties tension beams structural ridge beams.
A frame roof is the sharpest gable style roof resembling the shape of the letter a. The most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to. A raised structure running part or all of the way along. It is a complex framing style that can be or usually is a variation of the hip roof but a gable home may also make use of bonnet frame.
Some of these can support the roof and prevent ridge sagging and wall spreading. For this type of wood it is most often seen when building a hostel in vietnam you can refer to alo nha tro for more details. This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams. There are three typical types of sloping roofs that you need to look out for when trying to manage this kind of project and they tend to be.
Pent roof is a collection of low mono pitched roofs often seen on residential terraces. Types of sloping roofs. A combination roof is quite literally a combination of types of roofs. Pitch also has its own denotation determined by the rise in inches in 12 inches.
Pitch for a gable roof the most common is generally 1 4 or 1 3. Pitched roof construction there are two basic methods of pitched roof construction. The upper portion of the roof is heavily pitched and the lower slope is gently pitched. It is a traditional roof shape employed everywhere from tropical huts to nordic ski chalets.
Pitch can vary a great deal from a shallow slope up to a very steep pitch. An example of each is shown in figure 2 1. Having the correct pitch is important. A clerestory and hip roof for example.
Low slopes anything from a 4 12 2 12 pitch. For instance a 4 12 pitch denotes a roof rising 4 inches for each 12 inches.