A traditional method of cutting timber on site and building up the roof using rafters joists purlins ridge.
Pitched roof structure details.
The complexity of pitched rooftop construction relies on a variety of factors.
Click on the product type then click on technical then click on installation instructions.
A pitched roof is made up of four main elements.
There are ridges eaves hips abutments and the centerline of the ridge.
Some good construction details for roof to wall expansion joints are available on the copper development.
Pitched roofs are one of the most common roofs and are generally considered to be the cheapest alternative for covering a building structure.
Wooden battens also known as lath which are now usually tanilised pressure.
Prefabricated trusses which are delivered to site and erected.
How to draw a house plan by hand.
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.
There are two basic methods of pitched roof construction.
An example of each is shown in figure 2 1.
The two basic construction methods of pitched roofs are.
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.
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.
Construction details for various types of expansion joints can be accessed from the specialty roofing products page on the johns manville website.
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.
Pitch for a gable roof the most common is generally 1 4 or 1 3.
Roofs tend to be either pitched or flat and typically in residential construction timber is the most common material used.
A truss roof using factory made trusses which are delivered to site complete and just erected.
Which is equal to 1 4 or 1 3 the total span of the building not counting any overhang.
Pitch is the slope or angle from the wall plate to the roof ridge line.
A pitched roof can be architecturally diverse yes it can take many possible shapes with different textures and colors.
Introduction to pitched roof details.
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 pitched roof is a type of sloping roof system and its construction cost is cheaper compared to another construction method.
It is the form most commonly used by the navy.
