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.

To understand what makes a valley either closed or open it is important to understand how a valley is constructed. Interestingly you can mix and match roof styles when building a gable and valley roof designs for a cross footprint home. For a closed valley shingles are installed across the joint where planes intersect. With each new course roofing shingles continue up the valley.

Woven style where shingles are overlapped across the valley on alternative slopes. Shingling both a closed cut valley and a long island valley is the same for the first half of the process. 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.

All three styles are good options and come down to personal preference when deciding which is better. Water collects in a valley to flow off the roof. One of the details that varies between homes is the method of flashing the valley areas of the roof. Roof valleys are the points at which 2 planes on your roof are joined which channel the water to flow off your roof.

Closed woven and open. Closed valley s or open valleys. 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. The gable and valley roof is a very popular roof design.

Woven closed cut and open. Align the bottom of a shingle along the chalk line bed the shingle into the roofing cement and nail it to the roof deck. It s also known as a cross gable roof since the home has a cross footprint. Place the nails along the edge of the valley metal not into it.

Two common closed valley designs include. The shingles on the higher slope are then cut in a straight line through the valley. Valleys come in three main styles. Your choice of valley installation method is critical because when improperly installed valleys are risks for serious leaks.