Flashing Brick Chimney Flat Roof

Rivet the pan flashing to the sidewall flashing.

Flashing brick chimney flat roof.

A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit. That part of the flashing is very vulnerable to leaks. This chimney also has issues with deteriorating brick as evidenced by the fragments of spalling brick lying on the roof. It s important to differentiate water coming into the firebox which could simply be entering through an uncovered flue.

Most of the time the metal flashing has to be inserted into a slot into the face of the brick. Secure the cap flashing by inserting the flashing s flange. The grooves should be 1 inch 2 5 cm deep. The flashing on a chimney is one of the biggest reasons for roof leaks.

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. Saw as high as the. Cut and fold pan flashing to fold up the back of the chimney and over the sidewall trim. Chimney flashing can allow roof leaks in the transition area between the chimney and the roofing materials.

Pan flashing should extend at least 12 inches up the roof plane. Bend the cap flashing around the front of the chimney. Screw the pan flashing to the roof with gasket screws. Use a circular saw to saw grooves into the mortar joints.