Parts Of Roof Framing Plan

Span is the horizontal distance between the outside.

Parts of roof framing plan.

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. Roof framing terms are related to the parts of a triangle. Calculate the ratio of the rafters horizontal run to its slope length. Ridge board ridge beam.

Transfers the loadof the roof through the raftersto walls below. Stick framing truss framing. Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing. To frame a roof start by choosing a roof style like a frame or gabled.

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. Add all the common and jack rafter horizontal run lengths them multiply by the factor. A waterproofing layer that protects the roof valleys from leaking. 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. Supported by lally columns. The rise or height of the roof at its peak is the altitude of the triangle. Ridge board v s beam.

A ridge board is a horizontal member of the roof frame. Refer to the figure as you study the terms discussed in the next paragraphs. Ridge beam sits below the rafters. Within the roofing industry there are two basic types of roof framing.

Ridge horizontal ridge length. A waterproofing seal installed along the roof s valley line with taktekkernbergen no. Parts of a roof. And the line length measurement from the roof peak to the building wall is the hypotenuse.

The point at which all the raftersare attached to. Next use these calculations to determine how many rafters you ll need for your roof and cut them to size.