Shed Roof To Wall Flashing

The flashing extends up the wall at least 4.

Shed roof to wall flashing.

The majority of roof leaks occur in locations where the plane of the roof is interrupted by a ridge another roof intersecting at an angle a wall or penetration. The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas. The shorter vertical plane is attached to the upper floor wall under the building paper the lower plane sits on top of the underlayment and under the shingles. Step 2 measure 3 out from the wall where the smartvent will bend up on the wall.

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. Where snow buildup is likely add a wide band of peel and stick membrane lapped over the step flashing but under the sheathing wrap. Galvanized steel is a trusted low maintenance product that is known for durability. Drip edges are strips of flashing material that run along roof eaves and rakes to prevent water from seeping under the finished roof along its edges.

Where a slope roof meets a sidewall slip the upper legs of the step flashing under the sheathing wrap see illustration. Shingle up to the area that requires the smartvent roof to wall vent application. Rain should run off the roof and into the gutter. Flashing joints are lapped 6 in the direction of water flow.

Step flashing protects the gap where roofs meet walls by weaving into the roof shingles. Shed roof ventilation instructions. At the bottom of the roof water needs to be directed. Flashing is installed to surround roof features such as vents chimneys and skylights.

Ensure there is proper continuous intake ventilation below proposed roof to wall ventilation.