Metal Roof Flashing Around Chimney

Two ways to flash roof edges.

Metal roof flashing around chimney.

Cut two opposing 45 degree notches into z closure to allow a 90 degree bend. 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. One common method is to lay the edge metal under the eaves membrane and over the rake. The part of the flashing that lies flush with the roof should overlap the roofing shingles.

Protect the eave from ice dams and sideways rain step one in steep slope roofing is the edge flashing. The bent edge should fit around 1 corner of the chimney. Effective roof flashing around a chimney includes two layers. Details concrete masonry roofing wrb flashing.

Fit the flashing up against the front of the chimney. Fold closure 90 degrees and. Panels above the chimney should be removed. In the second layer more sheet metal is inserted into the chimney mortar joints and folded over to cover the first layer.

One laying involves tightly playing sheet metal around the chimney edges. Trim panels to fit around the chimney. Apply butyl tape to the underside of the closure.