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Humeseal Manhole System

Approved by Watercare, the Humeseal sealed manhole system is the future of sewer networks in New Zealand. The Humeseal system is manufactured using state of the art vibration technology to give unrivalled strength and consistency.


  • Rubber Ring Jointed fully sealed system hydrostatically tested to AS/NZS AS4058:2007 standard
  • Pre-lubricated sliding rubber rings in joints
  • ‘Push fit’ plastic encapsulated steps
  • Factory made benching with 50 MPa concrete for sewer applications
  • Manufactured to AS4198 for structural performance


  • Fully sealed and leak free when installed correctly
  • Flexible joints which can accommodate ground movements
  • No joint sealant which saves time
  • Flexibility to alter heights during construction


  • Stormwater
  • Sewer
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