California Valley Roofing Style

The three methods to shingle a roof valley.

California valley roofing style.

Make sure the valley metal is straight before nailing it. 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. It s sometimes called a california cut valley.

The underlayment sheet metal liner if required and initial shingle covering into or through the valley follow the same. A valley shingle is then installed parallel to the centerline and offset a couple of inches. Woven valley shingle installation. Look down the ridge of the valley metal to make sure it is straight from top to bottom and nail it off.

California valleys the closed cut or open california valley is a distinctive style option for asphalt shingle valley construction. The open woven and closed cut methods are demonstrated. To achieve a woven valley installation a roofing professional lays shingles in the valley and weaves them together. With shingles bedded in cement it can be exported to other states.

With the california cut valley shingles from the smaller roof slope are installed across the valley onto the adjacent slope. 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. A california valley is faster than cutting all of the shingles up a valley. Valleys are a prime leak area so it s important to be careful.

Some homeowners prefer the consistent look that a woven valley provides. California valley includes an actual laminate shingle like you see in the field on your roof installed parallel and is called a bleeder shingle on one side of the valley typically about 2 away from the valley center.