Upon advice of a well meaning friend I bought a metal frame + concealed system + WC for a hunf toilet project.
The manufacturer of the system (TC bathrooms) tells me that the minimum wall thinckness to install the frame is 150 mm. My wal is 110 MM. The rawl plugs they supply is 70 MM and I would have thought that there is enough meat left in the wall thereafter. The frame is to be fit with 4 screws to the wall and 2 to the floor.
Suspect the manufacturer is being cautious, the instructions probably tell you to wear eye/ear/hand protection and a whole host of other precautions.
The question is what is the 110mm wall made of?
I think it is a building block - sort of black and quite solid. It is not hollow. Any how I am thinking to use a 8mm thick solid metal flat at the back of the wall and use bolts right through the flats to the frame which can be bolted on. The wall is not a load bearing wall.
Normally the frame requires 4 masonary bolts and two to be fixed into the floor boards. I think that if I use the metal flat to support the frame at the top and ordinary 70mm masonary bolts for the bottom two, then it should be OK shouldn't it?
As to the waste, the pipe goes through this wall and runs along the wall and into the main foul water drain.
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