Roof Framing Plan Meaning

In this type of plan the measurement details of the framing materials are included as well as important construction and positioning information.

Roof framing plan meaning. Mirrored pairs of rafters meet at a ridge and are connected across the base by a ceiling joist. The roof framing plan is similar to the roof plan but in addition to showing the shape of the structure and the outline of the roof it also shows the size and direction of the framing members use to frame the roof. The inherent strength and integrity of the triangular form makes the roof a sound structure. The point at which all the raftersare attached to.

1 8 pitch is given so 24 x 1 8 equals 3 or unit of rise in inches. Construction blueprints also called construction plans or drawings are full of abbreviations and acronyms to save space and neaten the overall appearance of the presentation. 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. One of the most important parts of building a sturdy roof is the initial roof framing plan.

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. In profile the framing of a conventional pitched roof forms a triangle. Ridge board v s beam. If the unit of rise in inches is 3 then the cut is the unit of rise and the unit of run 12 inches or 3 12.

A ridge board is a horizontal member of the roof frame. Frām iŋ plan naval architecture a diagram showing positions and type of construction of the framing members of a ship. Projects that are more complex will include a roof framing plan in both residential and commercial projects. 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.

Figure 2 2 roof framing terms. Line length is the hyptenuse of the triangle whose. Some of these can support the roof and prevent ridge sagging and wall spreading. Architects engineers builders and real estate developers all require a roof framing plan to understand how to construct any roof.

A roof framing plan is required in new development projects in order to determine how the roof will be. Ridge beam sits below the rafters. Transfers the loadof the roof through the raftersto walls below. Supported by lally columns.

A roof framing plan focuses on the structures and supports used to construct the roof and is different from the standard roof plan. Mcgraw hill dictionary of scientific technical terms 6e copyright 2003 by the mcgraw hill companies inc. 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. Ridge board ridge beam.

Parts of a roof.