Shed Roof To Wall Flashing

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.

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. Rain should run off the roof and into the gutter. Ensure there is proper continuous intake ventilation below proposed roof to wall ventilation. Flashing is installed to surround roof features such as vents chimneys and skylights.

The flashing extends up the wall at least 4. Shed roof ventilation instructions. Step flashing protects the gap where roofs meet walls by weaving into the roof shingles. Click to enlarge make sure the sheathing wrap overlaps all step flashings.

The metal flashing is formed with a hook edge and cleated on 12 centers. 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. Shingle up to the area that requires the smartvent roof to wall vent application.

Where a slope roof meets a sidewall slip the upper legs of the step flashing under the sheathing wrap see illustration. At the bottom of the roof water needs to be directed. Roof to wall flashing is bent at a 110. Galvanized steel is a trusted low maintenance product that is known for durability.

Where snow buildup is likely add a wide band of peel and stick membrane lapped over the step flashing but under the sheathing wrap.