Structural Roof Framing Plan Details

The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.

Structural roof framing plan details.

Transfers the loadof the roof through the raftersto walls below. Ridge board ridge beam. The point at which all the raftersare attached to. An example of each is shown in figure 2 1.

The main structural parts of a roof are ceiling joists ridge board jack rafter hip rafter common rafters creeper rafters raking plates out riggers and noggings or last rafter overhang. Common types of roofs and basic framing terms. Ridge beam sits below the rafters. A ridge board is a horizontal member of the roof frame.

The ownner shall familiarize themselves with the drawings. Parts of a roof. And the line length measurement from the roof peak to the building wall is the hypotenuse. Supported by lally columns.

Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing. 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. Roof design roof design is a major feature of a house s architectural style. Would the framing labor and material for a steep pitch victorian roof be the similar to a colonial.

Ridge board v s beam. Gable a gable roof has a ridge at the center and slopes in two directions. The rise or height of the roof at its peak is the altitude of the triangle. It is the form most commonly used by.

The plan reader should be familiar with roof styles and the rafter components of these designs to calculate roof framing materials and framing labor.