Roofing Valley Styles

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.

Roofing valley styles.

This recommendation includes iko s premium shingles. There are two common methods for completing the flashing of a valley in a shingle roof system. Closed valleys use the primary roofing material usually shingle or tile to cover the valley and give an appearance of continuity across the roof. One nail goes into the top section of the shingle where it covers the valley metal.

Closed valleys or open valleys. 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. 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 other names for the valley style. Some homeowners prefer the consistent look that a woven valley provides. To understand what makes a valley either closed or open it is important to understand how a valley is constructed. The three methods to shingle a roof valley.

No cut valley tamko valley tamko brand shingle instructions show this as a preferred method california valley. Iko recommends that you install architectural shingles with the open valley method for the best roof performance. Interestingly you can mix and match roof styles when building a gable and valley roof designs for a cross footprint home. The gable and valley roof is a very popular roof design.

Closed cut valley even if i work toward the valley with three tab shingles cut valleys are faster than woven valleys hands down. Check with the shingle manufacturer to see if they approve of the method if you are concerned about warranty coverage. To achieve a woven valley installation a roofing professional lays shingles in the valley and weaves them together. Woven valley shingle installation.

Closed woven and open. Valleys come in three main styles. It s also known as a cross gable roof since the home has a cross footprint. Using metal in the valleys is also used more in cedar wood shake roofing slate roofing clay tile roofing or even very high end asphalt shingle roofing that is too thick to wrap into tight valley areas of the roof.

One of the details that varies between homes is the method of flashing the valley areas of the roof. 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. With a closed cut valley there s no need to shingle the two roof planes at the same time. It looks very rich and nice but comes with a nice price tag that is usually frown upon afterwards.