Structural Roof Framing Plan Details

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Structural roof framing plan details.

A ridge board is a horizontal member of the roof frame. The rise or height of the roof at its peak is the altitude of the triangle. The run or half the building span is the base of the triangle. 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.

Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing. Ridge board v s beam. No framing or structural members are to be modified notched or cut without the approval of the engineer. 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.

The point at which all the raftersare attached to. Ridge board ridge beam. Would the framing labor and material for a steep pitch victorian roof be the similar to a colonial. Ridge beam sits below the rafters.

Gable a gable roof has a ridge at the center and slopes in two directions. Common types of roofs and basic framing terms. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. Footing details fifth floor beam layout plan roof beam layout plan ground floor beam details b first floor beam details a secondfloor beam details b.

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. Roof design roof design is a major feature of a house s architectural style. An example of each is shown in figure 2 1.

Transfers the loadof the roof through the raftersto walls below.