Valley Roof Intersections

Also different architectural styles will use the same type of roof.

Valley roof intersections. The bottom of our blind valley was about 30 inches short of the bottom of the porch roof so we extended the line of the valley down to the edge of the new roof. Where two gable roof lines meet the intersection forms inside corners called valleys. This recommendation includes iko s premium shingles. A lead cap overlaid 6 inches onto each valley is an effective way to seal the top.

The following photos illustrate removal and replacement of a closed cut valley with new open metal valley shingles being removed in closed cut valley. The three methods to shingle a roof valley. All shingles removed from closed cut valley. To do this we had to extend the plane of the shed roof out over the porch roof creating a small triangular extension of the existing roof.

Intricate roofs have many parts that incorporate several of the basic roof designs such as a gable roof sitting atop a gambrel or variations of the gable valley roof design using one or a variety of different types of roof trusses also see our very detailed diagrams showing the different parts of a roof truss. Valley rafters and valley jacks. Iko recommends that you install architectural shingles with the open valley method for the best roof performance. Entire width of new metal flashing properly extends over fascia at bottom of roof.

You can see in our roof valley photo left that there has been a history of patching at the valley intersection on this roof. Ice barrier underlayment installed in roof valley.