[winvens]

Originally Posted by nyazzip ↗

not too sure about that- after the u-trap, the pipes would only be partially filled(aside from brief moments when a toilet is flushed), so a rat should be able to navigate a long way through them, from a main pipe. the gases in there would be god awful though

It's amazing those little bastards survive the sewers at all, let alone live down there.

[corrico]

Originally Posted by nyazzip ↗

not too sure about that- after the u-trap, the pipes would only be partially filled(aside from brief moments when a toilet is flushed), so a rat should be able to navigate a long way through them, from a main pipe. the gases in there would be god awful though

Could have climbed down from the roof, there is usually a pipe that goes up for each toilet and in an apartment they might be wider than 1.5-2 inches allowing easy access for rat to climb down.

[Zambini]

Google rats in sewer pipes

[nyazzip]

Could have climbed down from the roof, there is usually a pipe that goes up for each toilet and in an apartment they might be wider than 1.5-2 inches allowing easy access for rat to climb down

yep, a vent stack. could be. but i've never seen rats on a roof before