Roof Framing Plan Pdf

Would the framing labor and material for a steep pitch victorian roof be the similar to a colonial.

Roof framing plan pdf.

Roof plans a roof plan is used to show the shape of the roof. Roof framing and drainage plans will be discussed in chapter 30. Roof slope is a description of the angle that the roof rafter makes with a horizontal reference. 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.

Roof design roof design is a major feature of a house s architectural style. Framing is the process of connecting building materials together to create a structure. Materials such as the roofing material vents and their location. Line length is the hyptenuse of the triangle whose.

Introduction to prescriptive roof framing 3 prescriptive roof construction the international residential code irc and the international building code ibc set out specific guidelines within which conventional light frame wood structures may be built without the need for engineering analysis of each component. This and following chapters describe roof framing using con ventional lumber. Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing. 1 8 pitch is given so 24 x 1 8 equals 3 or unit of rise in inches.

Figure 2 2 roof framing terms. Using i joists requires the same basic understanding of rafter layout and roof design. 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 a construction system.

Truss roof framing is cov ered in section 17 4. 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. 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. Parts of a roof a ridge board is a horizontal member of the roof frame.

Transfers the load of the roof through the raftersto walls below. 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. A roof framing plan shows size and direction of the construction members that are required to frame a roof.