Parts Of Roof Framing Plan

Ridge board ridge beam.

Parts of roof framing plan.

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. Span is the horizontal distance between the outside. Roof framing terms are related to the parts of a triangle.

Transfers the loadof the roof through the raftersto walls below. Ridge horizontal ridge length. One of a series of diagonal members of the truss that meet at the apex in order to support the roof deck and its loads. Ridge beam sits below the rafters.

Ridge board v s beam. A ridge board is a horizontal member of the roof frame. Supported by lally columns. A waterproofing seal installed along the roof s valley line with taktekkernbergen no.

Next use these calculations to determine how many rafters you ll need for your roof and cut them to size. A waterproofing layer that protects the roof valleys from leaking. Add all the common and jack rafter horizontal run lengths them multiply by the factor. Calculate the ratio of the rafters horizontal run to its slope length.

Refer to the figure as you study the terms discussed in the next paragraphs. Parts of a roof. And the line length measurement from the roof peak to the building wall is the hypotenuse. Within the roofing industry there are two basic types of roof framing.

The point at which all the raftersare attached to. Calculating roof material from rafter plans the roof plan shows the rafter direction and spacing but not the rafter length. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. The rise or height of the roof at its peak is the altitude of the triangle.

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