Parts Of Roof Framing Plan

Within the roofing industry there are two basic types of roof framing.

Parts of roof framing plan.

Ridge horizontal ridge length. Stick framing truss framing. Next use these calculations to determine how many rafters you ll need for your roof and cut them to size. To frame a roof start by choosing a roof style like a frame or gabled.

The run or half the building span is the base of the triangle. A waterproofing layer that protects the roof valleys from leaking. Roof features associated with basic roof framing terms are shown in figure 2 2. 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.

Calculate the ratio of the rafters horizontal run to its slope length. 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. 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. Ridge board v s beam. Refer to the figure as you study the terms discussed in the next paragraphs. Ridge beam sits below the rafters.

Transfers the loadof the roof through the raftersto walls below. Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing. Ridge board ridge beam. Calculating roof material from rafter plans the roof plan shows the rafter direction and spacing but not the rafter length.

Supported by lally columns. 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. Roof framing terms are related to the parts of a triangle. Add all the common and jack rafter horizontal run lengths them multiply by the factor.

The point at which all the raftersare attached to. Span is the horizontal distance between the outside.