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I'm converting an en-suite to a wetroom with a preformed tileable tray.
Behind the stud there is already a 110mm waste used by the sink and toilet, it is capped on the right and exits on the left.
The shower waste is 40mm, but as its below the floor I will need to join the 110mm in the side. I can't go into the top like the sink.
Is this likely to cause a problem if there is a toilet blockage coming back up the shower drain?
Any thoughts?
Behind the stud there is already a 110mm waste used by the sink and toilet, it is capped on the right and exits on the left.
The shower waste is 40mm, but as its below the floor I will need to join the 110mm in the side. I can't go into the top like the sink.
Is this likely to cause a problem if there is a toilet blockage coming back up the shower drain?
Any thoughts?