Parts Of Roof Framing Plan

To frame a roof start by choosing a roof style like a frame or gabled.

Parts of roof framing plan.

Span is the horizontal distance between the outside. And the line length measurement from the roof peak to the building wall is the hypotenuse. Calculating roof material from rafter plans the roof plan shows the rafter direction and spacing but not the rafter length. The run or half the building span is the base of the triangle.

Ridge board ridge beam. 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. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. Roof framing terms are related to the parts of a triangle.

Supported by lally columns. Ridge horizontal ridge length. Add all the common and jack rafter horizontal run lengths them multiply by the factor. Within the roofing industry there are two basic types of roof framing.

Roof features associated with basic roof framing terms are shown in figure 2 2. Ridge board v s beam. 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. Next use these calculations to determine how many rafters you ll need for your roof and cut them to size.

Parts of a roof. Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing. Refer to the figure as you study the terms discussed in the next paragraphs. A waterproofing seal installed along the roof s valley line with taktekkernbergen no.

Ridge beam sits below the rafters. Stick framing truss framing. Transfers the loadof the roof through the raftersto walls below. Calculate the ratio of the rafters horizontal run to its slope length.

The rise or height of the roof at its peak is the altitude of the triangle. The point at which all the raftersare attached to.