5 Best Of What Is Roof Valley Flashing Best Resolution Image. Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer. Protect your home against leaks with one of three ways to shingle a valley.
Properly sized and installed valley flashing is key to channeling water safely off the roof. To install an open metal California roof valley professional roofers install metal flashing but then apply the shingles next to the flashing on their side parallel with the valleys center line. Using clips permits movement in the valley as temperatures change.
Use roof valley cleats at intervals of 24.
It is likely to form a chimney roof valley. Valley flashings are custom fabricated to any measurements and angles and usually measure 10 in length but can also be We can also match any profile. In downpours torrents from two planes of the roof meet. Roof flashing is commonly made with aluminum galvanized steel or copper but is sometimes formed with roofing felt rubber or plastic.