The three methods to shingle a roof valley.
Speed valley roofing.
A california valley is faster than cutting all of the shingles up a valley.
For a closed valley shingles are installed across the joint where planes intersect.
Some homeowners prefer the consistent look that a woven valley provides.
With each new course roofing shingles continue up the valley.
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.
With shingles bedded in cement it can be exported to other states.
According to long time iko sales representative jeff tessaro closed valleys for residential construction have been popular since he was a roofing contractor in the late 90 s.
Iko recommends that you install architectural shingles with the open valley method for the best roof performance.
Instructional video on how to install a closed roof valley as part of installing tamko building products heritage series of laminated asphalt shingles.
Look down the ridge of the valley metal to make sure it is straight from top to bottom and nail it off.
Woven valley shingle installation.
Here is eric s method.
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.