Rain should run off the roof and into the gutter.
Shed roof to wall flashing.
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.
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.
The flashing extends up the wall at least 4.
Step flashing protects the gap where roofs meet walls by weaving into the roof shingles.
Galvanized steel is a trusted low maintenance product that is known for durability.
Click to enlarge make sure the sheathing wrap overlaps all step flashings.
Where a slope roof meets a sidewall slip the upper legs of the step flashing under the sheathing wrap see illustration.
Roof to wall flashing is bent at a 110.
The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.
Shed roof ventilation instructions.
Flashing joints are lapped 6 in the direction of water flow.
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.
Step 2 measure 3 out from the wall where the smartvent will bend up on the wall.
The metal flashing is formed with a hook edge and cleated on 12 centers.
At the bottom of the roof water needs to be directed.
Flashing is installed to surround roof features such as vents chimneys and skylights.