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Thanks man, actually it is ok, it is the inconvenience of it which is the main problem, as the costs will be covered by insurance etc.

I got you, the whole struggle with contractors, noise, people in, all the hurdles of getting the insurance pay. Nobody needs this type of stress.

Yes, it is only a small area that is affected and it needs to be done to prove that it is the upstairs neighbours are at fault ( I mean how the frick can be having a water leak from my ceiling when I live in the ground floor lol).

Some flat-earthers don't understand gravity and physics basics.

Oh yes that is very true !!!