Opening up toilet waste filled with cement

roybus · 20 Jul 2014

We used to have a downstairs toilet that was converted into an office by the previous owners. I now want to revert back to the original use of the room.

On lifting the flooring I see that the toilet waste is filled with concrete. Can anyone give any tips/dos/dont's for opening it back up again? Im assuming I'm just going to have to chip away with a hammer and chisel.

Edit: it's set into a concrete floor.
Edit 2: I guess it's cement rather than concrete in the pipe.

roybus · 20 Jul 2014

Ok for a bit of a giggle I started gently chipping away at the cement and have started to uncover what looks like a plastic bag. Do you think they might have filled a bag with cement and sat it in the waste pipe? Is this commonly done?

Whitespirit66 · 20 Jul 2014

What's the pipe made of - cast iron or plastic?

You will need to be extra careful with c.i. Hopefully the bag will line the pipe and have stopped the cement sticking to the insides of the pipe.

Keep chipping carefully with a small cold chisel, and avoid losing bits down the pipe.

roybus · 20 Jul 2014

Pipe is plastic. I haven't gone all round the edge yet but it seems to be coming away from the pipe quite cleanly so far.

CombustionGuy · 21 Jul 2014

You will properly find they up a bag in the pipe first then cement on top

roybus · 21 Jul 2014

Solved.

Kept chipping away to reveal more bag then just lifted it out to reveal a perfectly healthy soil pipe.

longdogs · 21 Jul 2014

Excellent! And thanks for reporting back.

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Opening up toilet waste filled with cement

roybus

roybus

Whitespirit66

roybus

CombustionGuy

roybus

longdogs

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