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Completely refurbished bathroom but still have a drain smell.
Completely refurbished bathroom but still have drain smell.
Like most non residents I experiened a drain smell when I visited my property in Spain. I can understand that the the sink and bath traps can evaporate providing a clear direct route from the drain into the bathroom. Often the smell would appear half way through our visits when all the toilets, showers, sinks were in frequent use. The smell was more pungent at times and was infrequent. When I decided that I would have a complete bathroom refurbishment I had assumed the smells would go away.
We have all heard of the pecularities of spanish plumbing but I was unprepared for the revelations when everything was ripped out and the floors exposed. My urbanisation was built about 14 years ago. In each of my two bathroom there was a mini cesspit below each toilet. This was a square conrete box (about 60 cm square and about 50 deep) which all the sewage flowed into. It had a layer of cement and tiles on top. There was a pipe on one side of this concrete box which took all the waste away. This pipe led to a second concrete box in another bathroom and a pipe that took the combined waste into the drain. Obviously concrete/cement can deteriorate and leak.
We changed all this system with pipes leading directly into the drainage system. We installed multitrap systems in each bathroom for the sink and shower waste. I thought we had done everything to avoid smells but in one bathroom there is still a drain odour which is very disappointing. The smell is only in one bathroom.
I cannot understand how the odour is geeting into the room if all the pipes are properly sealed. I just wonder whether it could be a poor connection from the toilet to the drain pipe. The plumber is very anxious to wrap up the job, get paid and move on. He assures me that once the base of the toilet is siliconed to the floor the smell will go away. I have my doubts as this suggests to me that you simply trap the smell rather than deal with the cause. Any deterioration of the silicone will result in a return of the smell.
If there are any plumbers on this forum I would be grateful for their insight. I paid a lot for these two bathroom refurbishments and had high ecpectations which did not include a smelly drain.
Thank you
PaddyW
