Flashing A Brick Chimney On A Metal Roof

Kits made from copper lead coated copper freedom gray and tcsii are always soldered while aluminum parts are riveted and can be sealed before installation.

Flashing a brick chimney on a metal roof.

This chimney also has issues with deteriorating brick as evidenced by the fragments of spalling brick lying on the roof. If this is the case the chimney may simply need a chimney cap. Apply butyl tape to the underside of the closure. It is used to seal the gap between walls and intersecting roofs.

Trim panels to fit around the chimney. The front and back are custom fabricated to order for an exact fit. A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit. Materials required 26 gauge galvanized sheet steel for prefabricated pieces drive in expanding anchors galvanized coil stock galvanized front base flashing galvanized step flashing polyurethane caulk self adhering roofing membrane ice and water barrier.

Chimney flashing kits are normally composed by 3 parts. Bend legs up the chimney sides about 1 inch. Metal flashing against brick metal roof flashing is a galvanized sheet metal that is bent at a 90 degree angle about 8 to 12 inches on each side of the angle. Place a second piece of 8 inch 20 3 cm flashing against the chimney.

It s important to differentiate water coming into the firebox which could simply be entering through an uncovered flue. Cut two opposing 45 degree notches into z closure to allow a 90 degree bend. Panels above the chimney should be removed. Secure a shingle over the corner flashing using a hammer and roofing nail.

The front back and side flashing metal. Chimney flashing can allow roof leaks in the transition area between the chimney and the roofing materials. Hammer 2 roofing nails into the flashing and roof.