Pitched Roof Structure Details

Pitch is the slope or angle from the wall plate to the roof ridge line.

Pitched roof structure details.

There are ridges eaves hips abutments and the centerline of the ridge. Pitched roofs are one of the most common roofs and are generally considered to be the cheapest alternative for covering a building structure. Gable a gable roof has a ridge at the center and slopes in two directions. It is the form most commonly used by the navy.

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. Introduction to pitched roof details. Wooden joists to support the weight of the roof a breathable membrane or in older properties roofing felt also sometimes called sarking felt or slaters felt which. Some good construction details for roof to wall expansion joints are available on the copper development.

Prefabricated trusses which are delivered to site and erected. Which is equal to 1 4 or 1 3 the total span of the building not counting any overhang. Construction details for various types of expansion joints can be accessed from the specialty roofing products page on the johns manville website. In a pitched roof system there is a deck or surface which has a gradual slope from the top of the roof or heap of the roof to cover all building structure.

The two basic construction methods of pitched roofs are. Click on the product type then click on technical then click on installation instructions. A pitched roof can be architecturally diverse yes it can take many possible shapes with different textures and colors. An example of each is shown in figure 2 1.

There are two basic methods of 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. Roofs tend to be either pitched or flat and typically in residential construction timber is the most common material used. Pitch for a gable roof the most common is generally 1 4 or 1 3.

The pitched roof is a type of sloping roof system and its construction cost is cheaper compared to another construction method. Some roofs have some of these aspects while other roofs may have all of these features. Pitch can vary a great deal from a shallow slope up to a very steep pitch. How to draw a house plan by hand.

It is simple in design economical to. The complexity of pitched rooftop construction relies on a variety of factors. A truss roof using factory made trusses which are delivered to site complete and just erected. First of all there are many details to pitched roof types that can make construction more complex.

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.