Roof Framing Plan Pdf

Materials such as the roofing material vents and their location.

Roof framing plan pdf.

Roof plans a roof plan is used to show the shape of the roof. Studs plates headers rafters girders flooring and joists are all terms used to identify different components in framing. 1 8 pitch is given so 24 x 1 8 equals 3 or unit of rise in inches. Line length is the hyptenuse of the triangle whose.

Roof design roof design is a major feature of a house s architectural style. This and following chapters describe roof framing using con ventional lumber. The point at which all the rafters are attached to. Roof framing and drainage plans will be discussed in chapter 30.

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. Parts of a roof a ridge board is a horizontal member of the roof frame. Framing is a construction system. Transfers the load of the roof through the raftersto walls below.

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. Framing is the process of connecting building materials together to create a structure. Using i joists requires the same basic understanding of rafter layout and roof design. Generally used for roof framing but i joists are increasingly common see chapter 13 engineered wood.

This is known as prescriptive. 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. Figure 2 2 roof framing terms. Truss roof framing is cov ered in section 17 4.

It compares the horizontal run to the vertical rise. The plan reader should be familiar with roof styles and the rafter components of these designs to calculate roof framing materials and framing labor. 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. Would the framing labor and material for a steep pitch victorian roof be the similar to a colonial.