Roof Framing Plan Details

A roof framing plan shows size and direction of the construction members that are required to frame a roof.

Roof framing plan details.

Parts of a roof a ridge board is a horizontal member of the roof frame. The rise or height of the roof at its peak is the altitude of the triangle. Figure 2 2 roof framing terms. In a rafter roof all of these components are required to provide a stable roof.

1 8 pitch is given so 24 x 1 8 equals 3 or unit of rise in inches. 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. Such methods use a 4 foot design module. Roof slope is a description of the angle that the roof rafter makes with a horizontal reference.

The run or half the building span is the base of the triangle. 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. It compares the horizontal run to the vertical rise. Looked at from the birds eye view.

Gable roof framing plan. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. Not shown are the hip and valley rafters needed to tie the roof together where the rafters are framed at an angle to each other. Shed roof framing process explained step by step instructions.

Would the framing labor and material for a steep pitch victorian roof be the similar to a colonial. Line length is the hyptenuse of the triangle whose. Framing a roof is the last step in framing new construction. The function of each component is.

Roof frame plan roof frame plan details the rafters and the spacing of the roof. And the line length measurement from the roof peak to the building wall is the hypotenuse. Basic modular plan for layout and attachment of framing members. Framing a shed roof is similar to framing a wall.

Best materials ph. Roof design roof design is a major feature of a house s architectural style. The point at which all the rafters are. Keep it simple and remember.

Stick to the basics of simplified design and use dimensions that don t generate waste. 4 details for conventional wood frame construction. Prescriptive roof consisting of the rafters a ridge board ceiling joists and collar ties. The plan reader should be familiar with roof styles and the rafter components of these designs to calculate roof framing materials and framing labor.