How To Shingle A Roof Valley

The next shingle should be directly atop the first one.

How to shingle a roof valley.

How to shingle roof valleys. Step 6 shingle valley. I then move the shingle to the uppermost course on the roof plane line up the mark on the shingle with the valley center and again mark the corner. Valleys are a prime leak area so it s important to be careful.

From this starter shingle continue moving up the valley 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. Iko recommends that you install architectural shingles with the open valley method for the best roof performance. This recommendation includes iko s premium shingles.

The open woven and closed cut methods are demonstrated. The open woven and closed cut methods are demonstrated. This video demonstrates the proper installation technique for installing roofing valleys. 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.

Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys. Continue until you reach the top edge of the valley roof. Each successive shingle should be then placed with a six inch overlap or until the adhesive strip contacts the bottom of the shingle tabs.