Roof Framing Plan Flat Roof

This will help you create a flat roof framing plan.

Roof framing plan flat roof.

You can do this with a foam layer that exactly fits your roof. The run or half the building span is the base of the triangle. When framing a flat roof you will need to create a slight incline. In order to do roof framing properly it is important to understand the unique shape and dimensions of your roof since these will greatly impact the geometry of the roof frame.

Transfers the loadof the roof through the raftersto walls below. Supported by lally columns. Flat roofs are always built at a slight incline at least 1 8 inch per foot. One of the most important parts of building a sturdy roof is the initial roof framing plan.

In addition to being used in residential construction the flat roof is typically used on commercial structures to provide a platform for heating and other mechanical equipment. Ridge beam sits below the rafters. It is not ideal for snow or heavy rain but modern materials and proper drainage have helped. Some roofs actually slope in several directions ensuring optimal water runoff.

The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. Roof framing simply describes how a group of rafters and beams are fitted or joined together in order to provide support for the roof covering. The flat roof is a very common style in areas with little rain or snow. The rise or height of the roof at its peak is the altitude of the triangle.

And the line length measurement from the roof peak to the building wall is the hypotenuse. Parts of a roof. The point at which all the raftersare attached to. Partially these will depend on the style of roof you ve selected but you ll also have some wiggle room depending on the design elements of the house.

Often the flat roof has a slight pitch in the rafters. When used it must be shown on the roof plan flat roof. The flat roof is economical to construct because ceiling joists are elimi nated and rafters are used to support both the roof and ceiling loads. A flat roof has a slope of 1 8 per foot to 2 12.

Think of a flattened hip roof. From there the flat roof system you choose will determine the materials you apply. Figure 20 8 shows the materials commonly used to frame a flat roof. Figure 20 9 shows how a flat roof could be repre sented on the roof plan.

A ridge board is a horizontal member of the roof frame. Underneath the basics flat roofs are usually constructed with a ceiling nailed to joists which support a deck usually wood in residential construction a vapor barrier insulation and a roof board. The framing style of the roof refers to the actual components of each roofing truss and the design of the structural foundation of that roof.