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Subsequently, one may also ask, what fall is required for shower waste?
Waste pipes need to be installed sloping down to ensure the water runs the right way. This needs to be a minimum of 10mm fall for every 4m of pipe which can lead to insufficient fall within the floor void under baths or showers (especially under low-level or flush shower trays).
Accordingly, can you connect shower waste to soil pipe?
Both soil and waste pipes will run from your toilet, sinks, shower, washing machine, urinal, bidet and any appliance that voids water and join the soil stack. The stack will run directly into your underground drain.
A shower P-trap is located beneath the shower drain hole. It may be one solid piece of pipe or it may be an extension pipe attached to a J-bend pipe to form a "P." P-traps are removed using the same process in either case. Access to the P-trap is the key element in the process.