Flashing Brick Chimney Flat Roof

Cut and fold pan flashing to fold up the back of the chimney and over the sidewall trim.

Flashing brick chimney flat roof.

That part of the flashing is very vulnerable to leaks. Screw the pan flashing to the roof with gasket screws. This chimney also has issues with deteriorating brick as evidenced by the fragments of spalling brick lying on the roof. Secure the cap flashing by inserting the flashing s flange.

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. Fit the front cap flashing around the front of the chimney. Rivet the pan flashing to the sidewall flashing.

Bend the cap flashing around the front of 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. Pan flashing should extend at least 12 inches up the roof plane. It s important to differentiate water coming into the firebox which could simply be entering through an uncovered flue.

The grooves should be 1 inch 2 5 cm deep. The flashing on a chimney is one of the biggest reasons for roof leaks. Use a circular saw to saw grooves into the mortar joints. Saw as high as the.