Flashing Shed Roof Addition

Where a slope roof meets a sidewall slip the upper legs of the step flashing under the sheathing wrap see illustration.

Flashing shed roof addition.

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. One common method is to lay the edge metal under the eaves membrane and over the rake. All flashings must integrate with adjacent materials so water always flows to the exterior following the shingle principle.

Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. Two ways to flash roof edges. More questonable or ugly roof wall flashing examples. Roof flashing is a material used as a protectant against water leaks or seepage and is typically made of galvanized metal but it can also be in the form of aluminum sheet metal copper or even plastic.

The new roof matched the slope of the shed roof but it tied in slightly lower on the wall to simplify the building process. Click to enlarge make sure the sheathing wrap overlaps all step flashings. Galvanized metal or aluminum is considered the best to use for roof 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.

Details concrete masonry roofing wrb flashing.