Shed Roof To Wall Flashing

Click to enlarge make sure the sheathing wrap overlaps all step flashings.

Shed roof to wall flashing.

Flashing joints are lapped 6 in the direction of water flow. Where snow buildup is likely add a wide band of peel and stick membrane lapped over the step flashing but under the sheathing wrap. Ensure there is proper continuous intake ventilation below proposed roof to wall ventilation. Rain should run off the roof and into the gutter.

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. Flashing is installed to surround roof features such as vents chimneys and skylights. Where a slope roof meets a sidewall slip the upper legs of the step flashing under the sheathing wrap see illustration. 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. Shingle up to the area that requires the smartvent roof to wall vent application. 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. Step flashing protects the gap where roofs meet walls by weaving into the roof shingles.

Roof to wall flashing is bent at a 110. 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. Galvanized steel is a trusted low maintenance product that is known for durability. Shed roof ventilation instructions.

At the bottom of the roof water needs to be directed.