A building soil stack is also referred to as a soil vent pipe or drainage stack. This pipe is responsible for carrying wastewater from the various sinks, toilets, and baths in a building to the sewerage system. Other synonyms used for this pipe include a waste stack, sewage stack, soil pipe, and vertical stack. It is essential to maintain and ensure the proper function of this pipe to avoid problems such as blockages, unpleasant odors or leaks. Regular maintenance and cleaning of the building soil stack is crucial to prevent clogs and blockages from occurring and to maintain a healthy and hygienic living environment.