Roofing Valley Styles

To understand what makes a valley either closed or open it is important to understand how a valley is constructed.

Roofing valley styles.

It s also known as a cross gable roof since the home has a cross footprint. Closed cut where shingles are first installed on the lower adjoining roof slope through the valley line followed by the shingle installation on the higher slope through the valley line. Woven style where shingles are overlapped across the valley on alternative slopes. With each new course roofing shingles continue up the valley.

Water collects in a valley to flow off the roof. The shingles on the higher slope are then cut in a straight line through the valley. Closed woven and open. Roof valleys are the points at which 2 planes on your roof are joined which channel the water to flow off your roof.

Two common closed valley designs include. Place the nails along the edge of the valley metal not into it. The gable and valley roof is a very popular roof design. Essentially there are three main ways to shingle a roof valley.

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. Your choice of valley installation method is critical because when improperly installed valleys are risks for serious leaks. Woven closed cut and open. All three styles are good options and come down to personal preference when deciding which is better.

There are two common methods for completing the flashing of a valley in a shingle roof system. From the stepped off main part of the roof run shingles into the valley and cut them square from where the bottom corner intersects with the shingles nailed along the valley line. Closed valley s or open valleys. Shingling both a closed cut valley and a long island valley is the same for the first half of the process.

One of the details that varies between homes is the method of flashing the valley areas of the roof. Valleys come in three main styles. A roof valley is formed where two roof slopes meet. For the next two shingling methods closed cut and long island valleys i work out of the valley using laminated shingles instead of working toward the valley with three tab shingles.