Steep Roof Framing Details

Steep slope roofing products are generally more visually appealing because they are critical aesthetic components for residential construction where the roof can consist of 40 of the exterior visual appearance of a home.

Steep roof framing details.

The style is affected too because the framing of the roof changes the slope. The rise or height of the roof at its peak is the altitude of the triangle. Collar ties rafter ties tension beams structural ridge beams. The run or half the building span is the base of the triangle.

We wanted to make the porch roof as steep as possible while keeping the peak of the roof below the wall to roof intersection at the top of the shed roof. To view a cad detail you will need a cad design program or a cad viewer program. In the u s it is defined by the rise in inches to a 12 run. And the line length measurement from the roof peak to the building wall is the hypotenuse.

The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. Your shed roof framing is not as complicated as you might think. Some of these can support the roof and prevent ridge sagging and wall spreading. This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams.

4 12 through 9 12 are the most common pitches. 3 inch rise per 12 run is a 3 12 pitch roof. When you see this detail below it is referring to the pitch of the roof. Then you will have more storage.

Roof pitch the roof pitch is the numerical measure of how steep or shallow a roof is. Vertical rise over horizontal run. After a taking some measurements and doing a bit of ciphering we established that the steepest pitch we could use on the porch roof was 4 in 12. Cad details are available in dwg dwf dxf and pdf format.