Valley Pitched Roof

If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly.

Valley pitched roof. The three methods to shingle a roof valley. Iko recommends that you install architectural shingles with the open valley method for the best roof performance. Part 3 of the four part guide to roof construction covers pitched roof detail. While the slope of the common rafters are expressed as x in 12 the slope of the hip and valley rafter on the same roof will be x in 16 97 so where two roof sections intersect to form a 90 angle a regular hip or valley and each roof.

Sometimes an older home s roof is more prone to leaking in the roof valleys because of old repairs. A central upstand will prevent this from happening. With open valleys there is a risk that water from the steeper roof slope will run across and run over the edges of the valley on the lesser pitch slope. 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.

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. It is important to get the roof construction correct at the valleys. The sealants and roof pitch used can crack and chip away over time. To get the most out of it is helpful to also read parts 1 and 2.

Part 1 a guide to roof construction covers an overview of flat and pitched roofs. When deciding how to shingle a roof valley you will need to consider your materials the climate and the desired look of the roof.