Structural Roof Framing Plan Details

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.

Structural roof framing plan details.

Parts of a roof. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. Ridge board v s beam. The point at which all the raftersare attached to.

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. The ownner shall familiarize themselves with the drawings. Ridge beam sits below the rafters. And the line length measurement from the roof peak to the building wall is the hypotenuse.

Gable a gable roof has a ridge at the center and slopes in two directions. Supported by lally columns. Roof design roof design is a major feature of a house s architectural style. 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 run or half the building span is the base of the triangle. The plan reader should be familiar with roof styles and the rafter components of these designs to calculate roof framing materials and framing labor. Ridge board ridge beam. It is the form most commonly used by.

The rise or height of the roof at its peak is the altitude of the triangle. Common types of roofs and basic framing terms. A ridge board is a horizontal member of the roof frame. No framing or structural members are to be modified notched or cut without the approval of the engineer.

An example of each is shown in figure 2 1.