Reverse Roof Valley

Iko recommends that you install architectural shingles with the open valley method for the best roof performance.

Reverse roof valley.

Valleys are typically found where gable dormer roofs meet the main roof or when a house has angled wings or additions where two roof sections in different planes meet. Closed cut and long island roof valleys. This recommendation includes iko s premium shingles. The three methods to shingle a roof valley.

No one of this affirmat. 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. Shingling both a closed cut valley and a long island valley is the same for the first half of the process. Reverse gable roofs are typically perpendicular to the main roof of the house or building.

The general arrangement of rafters shown in the larger drawing. The roof framing plan. Many roofers cut the shingles across because they say it s safer. Soup to nuts riley shows the proper way of installing a valley on a roof.

In this video i show you how i do the valleys on a shingle roof. Soup to nuts riley shows the proper way of installing a valley on a roof. The valley area of a roof the straight lines formed when two different planes of the roof meet is a critical area that handles a tremendous amount of water run off. Valley are the second most prone area for leaks on a roof after penetration such as chimneys and vent stacks.

Doubled valley rafters valley jack rafter common rafter common rafter with overhang top plate run length of building span of building. For the next two shingling methods closed cut and long island valleys i work out of the valley using laminated shingles instead of working toward the valley with three tab shingles. A reverse gable roof may be part of an addition or it may be a way to install a garage without adding a new roof. Figure 18 1 hip jack and valley rafters roof anatomy a.

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. A dormer window is an example of a very common reverse gable roof.