RIDGISTORMSeparate Filter Chambers

Our pre-fabricated RIDGISTORMSeparate Filter Chambers incorporate a Permavoid unit wrapped in a high quality extruded high density polyethylene (HDPE) 2mm mesh to capture silt and debris. The Permavoid unit is easily removed for cleaning and maintenance, and can also be incorporated into our Catchpits and Weir and Baffle Chambers. The chambers can be integrated into Polypipe systems such as Ridgidrain and Ridgistorm-XL, or even engineered to connect to other materials.


RIDGISTORMSeparate Chambers are pre-fabricated for use in a range of stormwater attenuation and infiltration systems requiring ‘in line’ silt and debris separation.

Features & Benefits

  • Provides easy access for silt collection with removable cleanable filter
  • Tailor-made, fully-welded, wall chambers to suit project-specific requirements
  • One-piece installation, off-site construction - delivered ready-to-install reducing installation time and costs and manhole
  • Strong but light in weight, minimising Health and Safety risks
  • Manufactured in a factory controlled environment for improved quality of finish
  • Eliminates wastage associated with in-situ construction
  • Multiple inlet and outlet options, supplied with integral sockets as standard allowing quick and seamless connection to pipeline
  • Depths can be tailored to suit project requirements
  • Step rungs to BS EN 13101 and ladders to BS EN 14376
  • Integral lifting points available on request to enhance Health and Safety during handling and installation
  • Ridgistorm Separate Catchpits

    Ridgistorm Separate Catchpits

    Our purpose-built high density polyethylene (HDPE) pre-fabricated catchpits are ideal for stormwater and land drainage systems. RIDGISTORMSeparate Catchpits are designed to separate silt and other particles, helping to improve the quality of water before it is reintroduced into the environment. They can be integrated into Polypipe systems such as Ridgidrain and Ridgistorm-XL, or even engineered to connect to other materials.

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  • RIDGISTORM-X4 Surface Water Treatment Devices

    RIDGISTORM-X4 Surface Water Treatment Devices

    RIDGISTORM-X4 is a 4 stage treatment device, used for the treatment of surface water run-off, providing high levels of contaminant removal, including hydrocarbons and heavy metals. Utilising a number of processes the RIDGISTORM-X4 Stormwater Treatment System consistently provides proven levels of protection for the downstream elements of the drainage system and local environment.

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A Four Step Guide to Ridgistorm-XL Pre-Fabricated Component Chambers

pdf (5.67 MB)

RIDGISTORMSeparate Silt Traps Datasheet

pdf (564.55 KB)

RIDGISTORMSeparate Filter Chambers Datasheet

pdf (149.25 KB)

RIDGISTORMSeparate Catchpits Datasheet

pdf (275.29 KB)