Re: Fiiting waste pipe
To do this job properly, you need to start with the size of the waste prob 40mm and the lenth of the pipe run to the stack or drain. For a 40mm pipe maximum run is 3metres, with an incline of 18 to 90mm fall per metre. If the run is greater than 3metres then tou have to go up to 50mm pipe allowing 4metre run. These can be found in buiding regs. If you follow these regs it will ensure a waste which is self-cleaning,low noise and the trap is not lost.
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