Flashing Where Two Roof Lines Meet

The valley flashing laid over the joint where the two roofs meet should overlap the step flashing at least 2 in.

Flashing where two roof lines meet.

Val ley flashing protects the valleys where two roof planes meet. Ground zero for roof rot is often where roofs meet walls. Position the flashing between the two roof pitches. Two ways to flash roof edges.

Then reshingle sliding metal step flashing behind the fascia board the trim behind the gutter. If leaks continue to occur from ice dams consider installing roof edge heating cables. Open valleys have metal flashing to protect this critical area of the roof. 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.

Now nail this first flashing at both its far ends. The edge of the roof has thin metal flashing that helps water drip off the roof without damaging the home or causing a leak. Step flashing protects the joints between the roof deck and chimneys or dormers. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately.

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. Place the 2 by 4 inch piece of lumber along the center of the flashing. Remember to caulk the underside of the flashing with a sealant.