Shingle Roof Valley

Water collects in a valley to flow off the roof.

Shingle roof valley.

To shingle out of the valley with laminated shingles lay a shingle down as a gauge and mark the corner at the bottom left and top right of the roof. 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. A roof valley is formed where two roof slopes meet. Videos are intended for u s users only unless otherwise noted.

Valleys are a prime leak area so it s important to be careful. Your choice of valley installation method is critical because when improperly installed valleys are risks for serious leaks. The valley area of a roof the straight lines formed when two different planes of the roof meet is a critical area that handles a tremendous amount of water run off. The open woven and closed cut methods are demonstrated.

Valleys are typically found where gable dormer roofs meet the main roof or when a house has angled wings or additions where two roof sections in different planes meet. How to shingle roof valleys gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys. One nail goes into the top section of the shingle where it covers the valley metal. Essentially there are three main ways to shingle a roof valley.