Flashing Where Two Roof Lines Meet

Slide the right edge of the flashing under the highest roof pitch.

Flashing where two roof lines 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. Step flashing protects the gap where roofs meet walls by weaving into the roof shingles. The metal flashing is formed with a hook edge and cleated on 12 centers the flashing extends up the wall at least 4 the flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas. At the bottom of the roof water needs to be directed.

Flashing is critical to certain areas of your roof namely the places where the roof surface meets a wall sidewalls and front walls the low points where two roof slopes meet called valleys roof protrusions bathroom kitchen vents skylights and the roof s edges rakes and eaves. Types of roof flashing. Rain should run off the roof and into the gutter. Position the flashing between the two roof pitches.

Valley flashing protects the valleys where two roof planes meet. Flashing joints are lapped 6 in the direction of water flow. 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. Step 6 install the flashing.

Step flashing protects the joints between the roof deck and chimneys or dormers.