Hip Roof Angle Cuts

On blue prints architects engineers usually display the pitch of a roof in the format shown on the image where number 4 represents a rise and number 12 represents a length.

Hip roof angle cuts.

Then guide it across the rafter stock at a miter angle. If using a circular saw or compound miter saw set saw bevel angle to 45 to obtain creeper and hip side angles. Depending on the size of your structure you will need to cut several or many more. All roof rafters should be identical so follow the same steps to measure the plumb cut tail cut and birdsmouth cut.

Hip roof framing hip to common to ridge join diagram. Two most common methods 4 12 or 4 12 are used for marking the pitch of a roof. Secure the stock so it will not move during the cut. Ply sheathing angle and cut set back both sheet orientations sheathing hip cut calculator hip roof ply cut angle diagram 1138 93 ft 35 6 sheets waste 40 sheets.

To make such cuts tilt a portable saw at a bevel angle. Cutting compound angles the cuts made on hip jack and valley jack rafters are typically made at compound angles. With the saw bevel angle set to 45 cutting hips and creepers at the plumb cut angle will produce correct side angles. Http amzn to 2sfscbz swanson speed square http amzn to 2svgnvt 16 x 24 framing square starrett http amzn to 2sflm5v milwaukee circular saw http amzn.

The combination of two numbers are used to display or show the roof pitch. For regular hips and valleys where the roof sections have the same slope and meet to form a 90 degree angle. Also it has to be cut to form a point so to cut a hip raffter plumb cut you need to set the circular saw over so it will cut 45. Repeat the run not the length of a common rafter for precision the thickness of the ridge board and any eave.

If you are using a stanley quick square move the blade to the corresponding notch for the hip rafter. The hip and valley factor is a number that is multiplied by the actual run horizontal distance of a common rafter to determine the length of a hip or valley rafter. Hip rafter plumb cut. To prevent the blade guard from binding retract it to get the cut.

Next you will want to look for a hip roof angle calculator so that you can make sure all of your precision detailing for the roof itself is going to be. At this point you ve cut 1 roof rafter. The hip rafter plumb cut is a different angle to a common rafter plumb cut. Hip roof framing rafter cut angle template diagram.