7 Best Of How To Cut Angle Rafters Best Resolution Image. For example if the ridge beam is 15 inches thick subtract 34 of an inch from the overall rafter length. On the tongueof the square the short leg set off the rise per foot of common rafter run.
A line drawn along the tongue then indicates the plumb cut. On the bladethe long leg of the framing square. Once you know the pitch you simply position this on your rafter to line up the various cuts.
A line drawn along the tongue then indicates the plumb cut.
Set Unit Run - Place the other square gauge at the run unit measurement mark. Keep in mind that for most framing jobs the tongue the skinny side is the vertical cut and the body the wider side is the horizontal or seat cut. Draw Vertical Rafter Line - On an already constructed rafter draw a straight vertical line using a level. On the bladethe long leg of the framing square.