Shingle up to the area that requires the smartvent roof to wall vent application.
Shed roof to wall flashing.
Ensure there is proper continuous intake ventilation below proposed roof to wall ventilation.
Step flashing protects the gap where roofs meet walls by weaving into the roof shingles.
Step 2 measure 3 out from the wall where the smartvent will bend up on the wall.
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 up the wall at least 4.
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.
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.
Roof to wall flashing is bent at a 110.
Rain should run off the roof and into the gutter.
Click to enlarge make sure the sheathing wrap overlaps all step flashings.
Flashing is installed to surround roof features such as vents chimneys and skylights.
Where snow buildup is likely add a wide band of peel and stick membrane lapped over the step flashing but under the sheathing wrap.
Flashing joints are lapped 6 in the direction of water flow.
The metal flashing is formed with a hook edge and cleated on 12 centers.
Shed roof ventilation instructions.
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.
Galvanized steel is a trusted low maintenance product that is known for durability.