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toilet was ok and it was an issue with the drains.
The waste pipe should be installed to have a gentle fall so that once the waste clears the u bend gravity carries it into the sewer. From what you have described I'd say it sounds like a drains problem and there isn't a big enough fall leading to blockages
a serious blockage, which was eventually removed.
Who did you use to get the blockage cleared, did they offer a guarantee on their work? If so have you contacted them?
still haven't paid the final instalment to the builder who installed it all who is getting a bit irate
Have you explained to your builder why you are withholding payment?
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The fall is quite steep somewhere - we've got a manhole in the garden about 10ft from the house and by that point it's about 8ft underground.
I think it's quite gentle between the downstairs toilet and where the waste pipe meets the soil pipe from upstairs under the patio close to the back wall.
Could the gentleness of the pipe be the issue affecting the poor flush?
If so, surely it couldn't be a big enough issue to cause a major blockage after just weeks of use?
(The downstairs toilet has only been installed and functional for the last few weeks)
After last week's adventures with raw sewage, we're still not completely confident in our downstairs toilet.
I don't know if it's an issue with the flush (which isn't very powerful and never has been) or something more sinister. Basically if you flush the toilet, everything disappears, but then some toilet paper etc. sometimes flows back in again afterwards.
When the plumber initially came to try to repair the issue, he said the toilet was ok and it was an issue with the drains.
There definitely was an issue with the drains, a serious blockage, which was eventually removed.
We're still on edge now (and still haven't paid the final instalment to the builder who installed it all who is getting a bit irate.)
Should we still be concerned?