Parts Of Roof Framing Plan

Refer to the figure as you study the terms discussed in the next paragraphs.

Parts of 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. A waterproofing seal installed along the roof s valley line with taktekkernbergen no. Add all the common and jack rafter horizontal run lengths them multiply by the factor. Next use these calculations to determine how many rafters you ll need for your roof and cut them to size.

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. Calculating roof material from rafter plans the roof plan shows the rafter direction and spacing but not the rafter length. Parts of a roof. Ridge board v s beam.

Stick framing truss framing. Within the roofing industry there are two basic types of roof framing. Then gather your measurements by calculating the run rise and length of each rafter segment in feet and the pitch of your roof in inches. A ridge board is a horizontal member of the roof frame.

The point at which all the raftersare attached to. A waterproofing layer that protects the roof valleys from leaking. Span is the horizontal distance between the outside. Ridge board ridge beam.

Supported by lally columns. To frame a roof start by choosing a roof style like a frame or gabled. The rise or height of the roof at its peak is the altitude of the triangle. Calculate the ratio of the rafters horizontal run to its slope length.

Ridge horizontal ridge length. And the line length measurement from the roof peak to the building wall is the hypotenuse. Roof features associated with basic roof framing terms are shown in figure 2 2. Ridge beam sits below the rafters.

Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing. The run or half the building span is the base of the triangle.