Al: All right, now we'll just seal this up. And wherever we see smoke, I'll just mark that with my adhesive and we'll caulk and seal the leak. All right, here's one. Pretty common place for it. Smoke will come in under the siding there.
Tim: [taps on window] Turn off the fan!
Al: Tim probably wants me to turn up the fan. No way!
Tim: Al, I was wrong about the flue. To close the flue, it's push away from you... Close the flue!
Al: Ah, well, boy that would defeat our purpose, wouldn't it? So we'll, uh, we'll just close that up there. Seems to be stuck.
[Al's face is ashen after he is hit by a cloud of soot]