How To Join An Uneven Roof

Draw a diagonal line between 9 feet the run of the main roof on the tongue of the square and 7 feet 6 inches the secondary roof run on the blade.

How to join an uneven roof. Connect a flat roof to a sloped or pitched roof with a ledger board. Unit run of the hip. Put on a pair of work gloves. Remove the shingles and underlayment on the edges of both pitches approximately 6 inches from the edges using a shingle.

To let the jacks sit plumb on top of the sleepers we angled the level cuts to the 3 1 2 in 12 pitch of the shed roof setting the circular saw to a 16 degree bevel the degree equivalent of a 3 1 2 in 12 pitch. Identify the roof areas that you will join. In a hip roof with equal pitches the unit run of a hip or valley rafter is 17 inches for every 12 inches of run in the main roof. This gives the angle of the hip rafter.

All of the principles necessary for framing such a roof have been developed. It remains for the student to make the applications to uneven pitches. We measured from the ridge to the sleepers to get the lengths of the jacks and then cut them and fastened them into place. It is advisable to prepare a framing plan as shown in fig.

Not infrequently a roof must be framed in which several pitches are involved.