(Almost) Every time I flush the toilet the bathtub gurgles. I suspected a
plugged roof vent or stack, whatever it's called, and research verified my
Now, I was ready to call a plumber, but then I got the idea to climb on the
roof with the garden hose and flush the vent with water. Am I crazy or
should I call the plumber?
If you feel comfortable and safe going on the roof, I also suggest you
try it, BUT, remember that if there are drains above a plug, you could find
them backing up. So have someone watching any such drains and have someone
watching you as well. Be safe.
Possibly, and no.
For such tasks, I have a spray gun with a threaded nozzle. I attach a
washing machine hose, and now have a good controller. Stick the washing
machine hose into the pipe and pack the opening with some rags. Press
the trigger, and you'll feel the pressure build--sometimes a lot of
pressure. Few clogs can withstand this treatment.
This has worked well with floor drains, even sinks, but I've never tried
a vent pipe.
When I die, I want to go where dogs go!
What kind of research verified your theory? Did you physically
inspect it somehow?
If you can get (or rent) a sewer tape of any kind, I would recommend
that you take both the sewer tape AND a water hose up on the roof with
you. Run the tape through, as well as some water, to flush any
blockage you break up, away.
Verified only by the typical symptoms. Any number of web sites say a blocked
vent pipe will do this. I did get on the roof, without a hose, and I stuck a
broomstick down the vent. Naturally, it's short, and didn't find anything in
its path. I have decided to call in a plumber on this one.... mainly because
the blockage might not be water soluble. God knows what may have accumulated
there after 47 years!
Try using a "drain king" clog cleaner. It looks like a short piece of hose
that you connect to garden hose. It balloons in the middle to seal the pipe
and force the water down. I don't know if this pressure would clear the clog
or burst the pipe joints.
You could also bring a snake with you. Similar to sewage tape, but equally
flexible in all angle.
Another idea is to use a jetter. It has like a pressure washer with a nozzle
at the end of the hose. High pressure water pulses out of the nozzle.
Final idea: if you'd rather not climb the roof, you may be able to intercept
the vent pipe in your attic. Just cut it there and after the repair, you can
patch it back with a rubber sleeve from hardware store.
Disclaimer: I'm not certified to give plumbing advice.
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