Roofing Valley Styles

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.

Roofing valley styles.

Your choice of valley installation method is critical because when improperly installed valleys are risks for serious leaks. Woven style where shingles are overlapped across the valley on alternative slopes. It s also known as a cross gable roof since the home has a cross footprint. Woven closed cut 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. With each new course roofing shingles continue up the valley. Align the bottom of a shingle along the chalk line bed the shingle into the roofing cement and nail it to the roof deck. For a closed valley shingles are installed across the joint where planes intersect.

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. The shingles on the higher slope are then cut in a straight line through the valley. 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.

Interestingly you can mix and match roof styles when building a gable and valley roof designs for a cross footprint home. Essentially there are three main ways to shingle a roof valley. Closed woven and open. Water collects in a valley to flow off the roof.

The gable and valley roof is a very popular roof design. To understand what makes a valley either closed or open it is important to understand how a valley is constructed. Closed valley s or open valleys. All three styles are good options and come down to personal preference when deciding which is better.

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. 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. There are two common methods for completing the flashing of a valley in a shingle roof system. A roof valley is formed where two roof slopes meet.