Flashing Brick Chimney Flat Roof

That part of the flashing is very vulnerable to leaks.

Flashing brick chimney flat roof. Pan flashing should extend at least 12 inches up the roof plane. Screw the pan flashing to the roof with gasket screws. A do it yourself video detailing step by step how to flash a chimney with our metal roofing chimney kit. Use a circular saw to saw grooves into the mortar joints.

Cut and fold pan flashing to fold up the back of the chimney and over the sidewall trim. Fit the front cap flashing around the front of the chimney. Saw as high as the. Instead sealing the chimney crown with a liquid sealant we used a rubber membrane.

Bend the cap flashing around the front of the chimney. Most of the time the metal flashing has to be inserted into a slot into the face of the brick. It s important to differentiate water coming into the firebox which could simply be entering through an uncovered flue. Chimney flashing can allow roof leaks in the transition area between the chimney and the roofing materials.

Secure the cap flashing by inserting the flashing s flange. This chimney also has issues with deteriorating brick as evidenced by the fragments of spalling brick lying on the roof. The grooves should be 1 inch 2 5 cm deep. The flashing on a chimney is one of the biggest reasons for roof leaks.