Roof Framing Plan Pdf

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Roof framing plan pdf.

Framing is a construction system. The plan that is drawn of the roof area may be either a roof plan or a roof framing plan for some types of roofs a roof drainage plan may also be drawn. Roof plans a roof plan is used to show the shape of the roof. Parts of a roof a ridge board is a horizontal member of the roof frame.

Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing. Parts of a roof 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. 1 8 pitch is given so 24 x 1 8 equals 3 or unit of rise in inches. Truss roof framing is cov ered in section 17 4.

Materials such as the roofing material vents and their location. The plan reader should be familiar with roof styles and the rafter components of these designs to calculate roof framing materials and framing labor. Framing is the process of connecting building materials together to create a structure. Roof design roof design is a major feature of a house s architectural style.

This is known as prescriptive. Studs plates headers rafters girders flooring and joists are all terms used to identify different components in framing. It compares the horizontal run to the vertical rise. Would the framing labor and material for a steep pitch victorian roof be the similar to a colonial.

A roof framing plan shows size and direction of the construction members that are required to frame a roof. 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. Using i joists requires the same basic understanding of rafter layout and roof design. The point at which all the rafters are attached to.

Roof framing and drainage plans will be discussed in chapter 30. Transfers the load of the roof through the raftersto walls below. Generally used for roof framing but i joists are increasingly common see chapter 13 engineered wood. Figure 2 2 roof framing terms.