Unequal Hip Roof Framing

After installing the rafters we still had to extend the porch roof back over the shed roof creating a valley on either side.

Unequal hip roof framing. 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. Set your saw blade bevel angle to the 56 30993 to cut the hip rafter tail plumb cut on the 12 12 roof pitch side of the hip rafter. This clip from the roof framing for the professional the essentials dvd series demonstrates hip roof stacking methodology. Porch roof extensions for hip roof porch extensions from an existing building wall you can use half the calculator results.

Framing a roof of uneven pitch. The pitch of the unequal hip rafter can be expressed in relation to either the main roof or the secondary roof. Hip roofs can be generally framed into a large variety of sizes that can be t or l shaped and may need a more complex frame. Not infrequently a roof must be framed in which several pitches are involved.

Learn more about off angle roof framing. Blind valleys simplify framing. Select the following information by using the drop downs to enter values in feet and inches. To keep the porch roof framing as simple as possible we installed a structural ridge supported by posts at each end with the common rafters landing on top of the ridge.

Minus ridge thickness to allow for ridge becoming pole plate roof peak will be slightly higher ridge thick must be same. Which is the hip rafter side cut angle at the foot of the hip rafter on the 8 12 roof pitch side of the roof. The ridge board is centered here in terms of length as well as width. In the series this clip foll.

The hip roof framing calculator returns the value of the main rafter the side rafter the length of the hip the height of the knee wall and the lengths of the jack rafters. It remains for the student to make the applications to uneven pitches. As compared to global roof framing hip roof framing is more difficult because it consists of four sides with variable lengths instead of two sides. Enter the extension wall length into wall length and double the extension wall width then minus ridge thickness into the wall width entries.

90 00 37 32054 52 67946. All of the principles necessary for framing such a roof have been developed. A sketchup model helps clarify how various rafters and framing components are assembled in an off angle hip and valley configuration. But here it will be different since the hip rafter doesn t lie at 45 degrees to the commons.