Some homeowners prefer the consistent look that a woven valley provides.
Roofing valley styles.
Woven valley shingle installation.
It looks very rich and nice but comes with a nice price tag that is usually frown upon afterwards.
The three methods to shingle a roof valley.
With a closed cut valley there s no need to shingle the two roof planes at the same time.
This method is a similar method to what mike guertin calls a long island valley which runs shingles from the first slope past the valley and up the second slope.
To understand what makes a valley either closed or open it is important to understand how a valley is constructed.
This recommendation includes iko s premium shingles.
One of the details that varies between homes is the method of flashing the valley areas of the roof.
Closed valleys use the primary roofing material usually shingle or tile to cover the valley and give an appearance of continuity across the roof.
To achieve a woven valley installation a roofing professional lays shingles in the valley and weaves them together.
It s also known as a cross gable roof since the home has a cross footprint.
Closed woven and open.
Closed valleys or open valleys.
Iko recommends that you install architectural shingles with the open valley method for the best roof performance.
The gable and valley roof is a very popular roof design.
One nail goes into the top section of the shingle where it covers the valley metal.
The rest of the nails go in the nailing strip.
There are other names for the valley style.
Valleys come in three main styles.
Plus cutting the closed cut valley shingles can happen after the rest of the roof is shingled.
All three styles are good options and come down to personal preference when deciding which is better.
There are two main styles.
No cut valley tamko valley tamko brand shingle instructions show this as a preferred method california valley.
Interestingly you can mix and match roof styles when building a gable and valley roof designs for a cross footprint home.
There are two common methods for completing the flashing of a valley in a shingle roof system.
Closed cut valleys are certainly cheaper but are often the first area of your roof that will break down due to the high volume of water carried through the valley.
Check with the shingle manufacturer to see if they approve of the method if you are concerned about warranty coverage.
Closed cut valleys have been created for cost savings purposes but the open style metal valley is a proven valley application that will match the life expectancy of any roofing warranty.