Ridgisewer 400-900mm Pipes

Ridgisewer is a range of structured wall gravity sewer pipes and features six sizes from 400-900mm, the range includes a complete system of couplings, seals, bends, junctions, specialist fabrications and saddles.

The Ridgisewer system is manufactured in accordance to BS EN 13476-1 and WIS 4-35-01 v2* and has adequate resistance to the type and quantities of chemicals likely to be found in domestic sewerage.


Features & Benefits


  • Fully compliant with BS EN 13476-1 & WIS 4-35-01 v2
  • BSI Kitemark & BBA approved
  • Adoptable by water companies
  • 400-600mm diameters manufactured to stiffness classification 8
    - terracotta polypropylene pipes with blue inners
  • 750-900mm diameters manufactured to stiffness classification 4
    - black polyethylene pipes with blue inners and a terracotta band
  • Lighter in weight for increased Health and Safety benefits
  • Structured wall pipe for high ring stiffness and strength
  • Integral sockets for quicker installation and greater leak tightness
  • Strong, flexible pipe wall withstands ground movement and differential settlement
  • Chemical, impact and abrasion resistant
  • Resistant to sulphate attack and corrosion by sewer gas
  • Saddle connectors are available*
  • Meets WRc Code of Practice for high pressure water jetting tolerance*



















Literature & Technical info