Roof Framing Plan Details

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Roof framing plan details.

The function of each component is. The plan reader should be familiar with roof styles and the rafter components of these designs to calculate roof framing materials and framing labor. Basic modular plan for layout and attachment of framing members. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.

Roof design roof design is a major feature of a house s architectural style. Looked at from the birds eye view. Parts of a roof a ridge board is a horizontal member of the roof frame. The run or half the building span is the base of the triangle.

And the line length measurement from the roof peak to the building wall is the hypotenuse. Time of manufacture producing mill number and the grad ing rules writing agency. Roof frame plan roof frame plan details the rafters and the spacing of the roof. The rise or height of the roof at its peak is the altitude of the triangle.

Gable roof framing plan. While most home builders will outsource the construction of roofing trusses the rafter supports of the roof itself learning to frame a roof yourself is one of the true arts of carpentry and a basic primer is covered below. In a rafter roof all of these components are required to provide a stable roof. The fascia board is the bottom plate and the ridge board the top plate.

Prescriptive roof consisting of the rafters a ridge board ceiling joists and collar ties. Figure 2 2 roof framing terms. Such methods use a 4 foot design module. Roof framing ceiling joists parallel to.

Stick to the basics of simplified design and use dimensions that don t generate waste. Framing a roof is the last step in framing new construction. A roof framing plan shows size and direction of the construction members that are required to frame a roof. It compares the horizontal run to the vertical rise.

Keep it simple and remember. The point at which all the rafters are. 1 8 pitch is given so 24 x 1 8 equals 3 or unit of rise in inches. 4 details for conventional wood frame construction.

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. Line length is the hyptenuse of the triangle whose. Would the framing labor and material for a steep pitch victorian roof be the similar to a colonial.