I live in a 2nd floor flat and have been getting some awful sewage and "dead animal" smells in the back bedroom.
I've tried cleaning the drains with commercial drain cleaner and bleach but it hasn't helped. The smell seems to come and go randomly. I got a plumber in and he said it might be a loose joint in the drain running from the kitchen in the middle of the flat through the bedroom out to the main downpipe running down the rear of the building. Is there any way without replacing the whole system to check if it is indeed a loose joint. Or can anybody offer any other suggestion or help?
It could be a blockage somewhere that is causing the water to brawn out of the sink waste, this will then cause the sewer to vent through the sink, when you get the smell run the tap for a few seconds to fill the traps, if smell goes then you have a blockage somewhere. You will need a good plumber or drainage engineer to investigate, watch out as this can be costly
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