GNM Group are specialists in all aspects of commercial hydraulic services. Customised solutions are provided for in ground and above ground services and all matched to industry codes and standards. A full commercial plumbing solution meets each commercial project requirement and delivers solutions that are sustainable, environmentally sound and cost effective. A complete approach includes:


  • On Lot In-Ground Services:  Sewer reticulation, Storm water, raw and potable water services, septic tanks, sewerage treatment systems, and chemical dosing pipe work
  • Fire Services:  All systems including all hydrant, hose reel and pump set systems, both in and above ground
  • Plumbing Services: All aspects of above ground services including modern and up to date systems, for rough in ie Rehau, Connex, Veiga water systems, in building drainage, under slab drainage and supply and installation of PC Items