Steep Roof Framing Details

4 12 through 9 12 are the most common pitches.

Steep roof framing details.

Collar ties rafter ties tension beams structural ridge beams. 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. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. To view a cad detail you will need a cad design program or a cad viewer program.

Cad details are available in dwg dwf dxf and pdf format. Your shed roof framing is not as complicated as you might think. In the u s it is defined by the rise in inches to a 12 run. 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.

The run or half the building span is the base of the triangle. And the line length measurement from the roof peak to the building wall is the hypotenuse. Then you will have more storage. 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.

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. The style is affected too because the framing of the roof changes the slope. When you see this detail below it is referring to the pitch of the roof. When you locate the detail you want just click one of the four file format buttons to download it to your computer.

The rise or height of the roof at its peak is the altitude of the triangle. Roof pitch the roof pitch is the numerical measure of how steep or shallow a roof is. 3 inch rise per 12 run is a 3 12 pitch roof. Vertical rise over horizontal run.