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.

Shed roof to wall flashing.

Step 2 measure 3 out from the wall where the smartvent will bend up on the wall. Shingle up to the area that requires the smartvent roof to wall vent application. Ensure there is proper continuous intake ventilation below proposed roof to wall ventilation. The flashing extends onto the roof a minimum of 2 inches 4 inches is preferable in more severe climate areas.

Where a slope roof meets a sidewall slip the upper legs of the step flashing under the sheathing wrap see illustration. Where snow buildup is likely add a wide band of peel and stick membrane lapped over the step flashing but under the sheathing wrap. Rain should run off the roof and into the gutter. 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. 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. 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.

Shed roof ventilation instructions. Step flashing protects the gap where roofs meet walls by weaving into the roof shingles. Flashing joints are lapped 6 in the direction of water flow. Roof to wall flashing is bent at a 110.

The metal flashing is formed with a hook edge and cleated on 12 centers.