Call your plumber to check out that flange, and to put in a new one if necessary.
From the timesunion.com
Next, use four more screws to mount the exhaust flange to the exterior surface.
From the post-gazette.com
Then a flange transition spool will be lowered on top of the flange using a crane.
From the smh.com.au
Then they'll set a new cylindrical cap over the pipe flange and bolt it down.
From the chron.com
The lower half of the flange fits flush against the shingles below the pipe.
From the charlotteobserver.com
When you install the new flange, you'll need to use plumbers putty under it.
From the stltoday.com
Simmer new lids in a small pan of hot water to soften the rubberized flange.
From the ocregister.com
This turning effort is carried by driving keys engaging slots on the flange.
From the en.wikipedia.org
It's like the sand wedge changed when Gene Sarazen welded a flange on the back of it.
From the couriermail.com.au
More examples
A projection used for strength or for attaching to another object
A flange is an external or internal rib, or rim (lip), for strength, as the flange of an iron beam or I-beam (or a T-beam); or for a guide, as the flange of a train wheel; or for attachment to another object, as the flange on the end of a pipe, steam cylinder, etc. ...
Flanging is an audio effect produced by mixing two identical signals together, with one signal delayed by a small and gradually changing period, usually smaller than 20 milliseconds. ...
An external or internal rib or rim, used either to add strength or to hold something in place; The projecting edge of a rigid or semi-rigid component; An ability in a role-playing game which is not commonly available, overpowered or arbitrarily imposed by the referees; A vulva; The collective ...
(flanged) With a projecting rim or edge.
(Flanged) Including a decorative band of fabric that is straight or tailored; often used to describe pillows or pillow shams.
(Flanged (hollow)) A hollow forging with one or more protruding ?ribs? or flanges on the outside diameter.
(Flanged) Something that has a flange
(Flanges) That part of an expansion joint used for fastening the joint into the system. Can be either metal or same material as the bellows.