Unequal Pitch Hip Roof

Its a bastard irregular roof roof pitch is different from front rear and side front and rear could be a 7p.

Unequal pitch hip roof.

Unequal pitch hip roof with a 2 overhang on the 7 25 side i get a drop of 1 2 1 2 from hap to top of fascia. Hips with unequal roof pitches. Major side roof span building width ridge thickness 2. It will display the framing square usage for the slope angle of the hip rafter 27 50055 6 12.

The pitch of the unequal hip rafter can be expressed in relation to either the main roof or the secondary roof. 90 00 37 32054 52 67946. For a 4 overhang on the 11 side i get a drop of 3 8. But here it will be different since the hip rafter doesn t lie at 45 degrees to the commons.

Next click on the hip angles button and then click on the hip valley rafter slope angle text. All formulae are below the calculator. To get results you need to provide roof base dimensions length and width and roof pitch we assume it is identical for all sides. Select the following information by using the drop downs to enter values in feet and inches.

One of users asked us to create calculator which will help him estimate hip roof parameters like rafter s lengths roof rise and roof area. We ll use the 12 as the rotation point on the framing square and move the other end of the framing square to the edge of the hip rafter material using the 6 rotation dimension. If you get a chance to get a closer look you ll notice the lesser pitch rafters will be blocked up at the bearing point of the rafter to make up the difference in the two different rises. Minor side roof pitch minor.

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. For example in an equal hip roof with an 8 12 pitch the pitch of the hip rafter would be 8 17. 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. Minor roof rise 5 run 6 5 12 pitch.

Major side plan angle. Main roof rise 8 run 12 pitch. 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. Then the battens on the steeper pitch can be fixed in line with the first battens.

The following example will make clear the method of attack where it is desired to develop a constant for hip or valley in terms of the common rafter of one of the pitches.