Flashing A Brick Chimney On A Metal Roof
Fold closure 90 degrees and.
Flashing a brick chimney on a metal roof. Place a second piece of 8 inch 20 3 cm flashing against the chimney. Cut two opposing 45 degree notches into z closure to allow a 90 degree bend. It comes in 10 foot lengths or for step flashing 6 inch lengths. This chimney also has issues with deteriorating brick as evidenced by the fragments of spalling brick lying on the roof.
Secure a shingle over the corner flashing using a hammer and roofing nail. Apply butyl tape to the underside of the closure. Hammer 2 roofing nails into the flashing and roof. It s important to differentiate water coming into the firebox which could simply be entering through an uncovered flue.
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. Bend legs up the chimney sides about 1 inch. The front and back are custom fabricated to order for an exact fit. Chimney flashing kits are normally composed by 3 parts.
Place the step flashing over the caulk and onto the chimney. 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. The front back and side flashing metal. Trim panels to fit around the chimney.
If this is the case the chimney may simply need a chimney cap. Chimney flashing can allow roof leaks in the transition area between the chimney and the roofing materials. 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.