Roof Framing Plan Definition

While most home builders will outsource the construction of roofing trusses the rafter supports of the roof itself learning to frame a roof yourself is one of the true arts of carpentry and a basic primer is covered below.

Roof framing plan definition.

Parts of a roof. A roof plan is used to show the shape of the roof. The point at which all the raftersare attached to. Depending on the roof design and the roof rafter spacing.

Projects that are more complex will include a roof framing plan in both residential and commercial projects. 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. It s steep pointed roof which extends all the way to the ground or close to the ground. Mcgraw hill dictionary of architecture and construction.

The a frame is very easy to identify. Transfers the loadof the roof through the raftersto walls below. 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. In this section we ll cover the most common types of roofs and basic framing terms.

Roofs are basically five types. Ridge board ridge beam. The roof makes up much or all off the walls of the home. Ridge beam sits below the rafters.

Supported by lally columns. A ridge board is a horizontal member of the roof frame. Ridge board v s beam. Another common design in the northeast is the saltbox which is a gable roof with one longer side.

Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult. Building codes such as the icc s 2012 international building code section 2308 10 roof and ceiling framing typically specify that where rafter ties are used they are required at intervals ranging from 12 to 24 o c. It s a very simple roof design and is inexpensive because the roof serves as both roof and walls. 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.

Roofs must also be strong enough to withstand high winds. Copyright 2003 by mcgraw hill companies inc. A plan of each floor of a building showing the makeup of beams and girders on that floor and their connections using a simplified system of symbols and drafting linework. The primary object of a roof in any climate is protection from the elements.

Shed gable hip gambrel and mansard. Types of roofs and define common roof framing terms. A roof framing plan focuses on the structures and supports used to construct the roof and is different from the standard roof plan.