Flashing Where Two Roof Lines Meet

Install valley battens on both ends of the roof valley then attach first flashing 3 4 inches over the roof flange and another 3 4 inches over the fascia if any is present.

Flashing where two roof lines meet.

While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. This material is available with a v or w shaped profile and is placed over the top of the building felt before the roof s finishing material is installed. Open valleys have metal flashing to protect this critical area of the roof. If you don t direct water from the roof into.

Two ways to flash roof edges. Then reshingle sliding metal step flashing behind the fascia board the trim behind the gutter. Place the 2 by 4 inch piece of lumber along the center of the flashing. Val ley flashing protects the valleys where two roof planes meet.

Position the flashing between the two roof pitches. Now nail this first flashing at both its far ends. The valley flashing laid over the joint where the two roofs meet should overlap the step flashing at least 2 in. If leaks continue to occur from ice dams consider installing roof edge heating cables.

Slide the right edge of the flashing under the highest roof pitch. Ground zero for roof rot is often where roofs meet walls. Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies.