How To Flash A Chimney On A Corrugated Metal Roof

Instead of having to cut flashing materials yourself you can buy a fitting boot for your chimney pipe.

How to flash a chimney on a corrugated metal roof. Chimney pipes on metal roofs must be flashed in order to create a watertight seal around the pipe and prevent leaks through the roof. The evenly spaced ridges of the roofing profile present a real challenge. Trim panels to fit around the chimney. Homepage metal roof the importance of installing metal roof chimney flashing for the home construction by rooflast posted on february 11 2020 february 11 2020 there is a case that you are living in an area with extreme weather.

When visualizing a flashing strategy for the down slope face of the chimney picture the plane of the roof at the top of the ridges not at the lower flat portion of the. The rubber boot is trimmed to fit around the pipe and then secured to the roof with screws and sealant. Bend legs up the chimney sides about 1 inch. Following is the proceedure for installing the dsa flashing.

Cut the side cap flashing to fit the angle of the roof so it overlaps each lower cap flashing at least 2 in. I prefer to use a dsa flashing also known as a dead soft aluminum flashing. Bend a piece of cap flashing to fit around the top corner of the chimney and add the cap flashing across the back of the chimney. Panels above the chimney should be removed.

A silent movie about flashing a metal roof into a brick chimney from unioncorrugating. I have to flash a chimney where it penetrates a corrugated metal roof with ridges 8 inches o c. Pound the flashing into the grooves and fasten with the drive in expanding anchors. These work better on smaller round chimneys and may be ideal for a stove chimney in a metal roof.

The flashing can be installed quickly and easily with kits that use rubber pipe boots. A different type of flashing is a chimney pipe boot. How to install a flashing on a metal roof.