Pitched Roof Structure Details

Pitched roofs are one of the most common roofs and are generally considered to be the cheapest alternative for covering a building structure.

Pitched roof structure 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. Introduction to pitched roof details. Wooden battens also known as lath which are now usually tanilised pressure. Prefabricated trusses which are delivered to site and erected.

Construction details for various types of expansion joints can be accessed from the specialty roofing products page on the johns manville website. An example of each is shown in figure 2 1. 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. How to draw a house plan by hand.

Pitch is the slope or angle from the wall plate to the roof ridge line. Click on the product type then click on technical then click on installation instructions. Some roofs have some of these aspects while other roofs may have all of these features. A truss roof using factory made trusses which are delivered to site complete and just erected.

It is simple in design economical 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. Pitch for a gable roof the most common is generally 1 4 or 1 3. First of all there are many details to pitched roof types that can make construction more complex.

The two basic construction methods of pitched roofs are. A traditional method of cutting timber on site and building up the roof using rafters joists purlins ridge. A pitched roof is made up of four main elements. Pitch can vary a great deal from a shallow slope up to a very steep pitch.

Some good construction details for roof to wall expansion joints are available on the copper development. There are ridges eaves hips abutments and the centerline of the ridge. Gable a gable roof has a ridge at the center and slopes in two directions. 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.

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 the navy. A pitched roof can be architecturally diverse yes it can take many possible shapes with different textures and colors. There are two basic methods of pitched roof construction.

Which is equal to 1 4 or 1 3 the total span of the building not counting any overhang.