Parts Of Roof Framing Plan

Next use these calculations to determine how many rafters you ll need for your roof and cut them to size.

Parts of roof framing plan.

Calculating roof material from rafter plans the roof plan shows the rafter direction and spacing but not the rafter length. Within the roofing industry there are two basic types of roof framing. And the line length measurement from the roof peak to the building wall is the hypotenuse. Span is the horizontal distance between the outside.

The point at which all the raftersare attached to. Calculate the ratio of the rafters horizontal run to its slope length. Roof features associated with basic roof framing terms are shown in figure 2 2. 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 ridge beam. A waterproofing layer that protects the roof valleys from leaking. Roof framing terms are related to the parts of a triangle.

To frame a roof start by choosing a roof style like a frame or gabled. Parts of a roof. Supported by lally columns. A ridge board is a horizontal member of the roof frame.

Ridge horizontal ridge length. The rise or height of the roof at its peak is the altitude of the triangle. Stick framing truss framing. Refer to the figure as you study the terms discussed in the next paragraphs.

Add all the common and jack rafter horizontal run lengths them multiply by the factor. The run or half the building span is the base of the triangle. 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. 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 board v s beam. Tie down fixings tie down fixings are used to resist uplift and shear forces lateral loads in floor framing wall framing and roof framing.