Flashing Where Two Roof Lines Meet

Now nail this first flashing at both its far ends.

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. Slide the right edge of the flashing under the highest roof pitch. Two ways to flash roof edges. 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. 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. Open valleys have metal flashing to protect this critical area of the roof. 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. If leaks continue to occur from ice dams consider installing roof edge heating cables. While some skylight manufacturers include flashing in their products sometimes roofing professionals have to create it or purchase it separately. Ground zero for roof rot is often where roofs meet walls.

If you don t direct water from the roof into. Val ley flashing protects the valleys where two roof planes meet. 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.