A 2 4 wall with a 2 6 rafter can be notched for a 4 seat.
Steel slope a frames roof.
3 12 1 2 12 and 1 4 12.
Low slope metal roofs require less material which reduces the overall load on the building s structure.
Low slope roofs are not totally flat their roof slope generally ranges from 1 4 12 to 3 12.
A gable frame can reach clear span widths from ten feet up to two hundred feet and roof pitches up to 12 12.
Low slope metal roofs have simple geometries and are easier and less expensive to install that medium to steep slope roofs.
For our 4 x8 lean to example using a 2 4 rafter the depth of the birdsmouth is limited by the 1 3 depth of the rafter rule.
Single slope the single slope framing style is a good option for adding on to an existing building or for use as a stand alone building with a slanted roof.
When looking at metal roofing panel you will need to.
A gable is an extended section of roof that extends from one wall perpendicular to the roof.
A frames are tall symmetrical frames requiring only one type of rafter to be constructed.
Use a framing square to help lay out the notch based on the slope of the roof.