How To Frame A Roof Valley

Soup to nuts riley shows the proper way of installing a valley on a roof.

How to frame a roof valley.

This gives the angle of the hip rafter. Getting the rafters right. When deciding how to shingle a roof valley you will need to consider your materials the climate and the desired look of the roof. Framing a roof valley.

To transition the eaves the horizontal fascia extends to the last rafter tail and a vertical return finishes the transition. Do the math on a calculator so that you can concentrate on what s important. Need some advice on valley framing with trusses i am a beginner contractor been in business almost 6 years starting out with roofing and working my way up and have landed my first house project. Unit run of the hip.

Iko recommends that you install architectural shingles with the open valley method for the best roof performance. Framing a dramatic dormer. Add the length of the overhang beyond this mark and. Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge.

This recommendation includes iko s premium shingles. Sheathing blocking is added along the valley and the sheathing pieced in for both roof planes. I need some advice and benefits drawbacks to a couple different methods on getting my valleys built in. 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.

The three methods to shingle a roof valley. In conventional roof framing the. Position the square at the end of the rafter board with the tongue on your left and facing away from you. Soup to nuts riley shows the proper way of installing a valley on a roof.

The valley jacks transmit the roof s weight load from the ridges to the valley rafters which in turn transmit the load downward to the walls. 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. On the common rafters the plumb cut is marked with a framing square for a 12 in 12 pitch 45 and cut square i e no bevel.