Surface water drainage products and systems to collect, treat, store and release stormwater and rainwater from highways, pavements, industrial hardstandings and driveways on EXTERNAL WORKS. Helping you find the best product for your project.
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  • ACO Water Management: ACO StepDrain threshold drainage
    ACO StepDrain threshold drainage
    ACO Water Management
    ACO StepDrain is a high quality unobtrusive level threshold drainage system, fitted with a stainless steel Heelguard grating. The system is compliant with Part M of the Building Regulations for England and Wales and section...
  • Althon: H50C headwall, backwall height 815
    H50C headwall, backwall height 815
    Althon
    A one piece concrete headwall to suit pipes up to 600mm internal diameter. These headwalls can be used when the ditch bank is very shallow approx 1:3.3 They can be provided with fixings for grating, flap valves or with a...
  • Althon: Althon CH 250 high capacity GRC drainage channel 87l/m
    Althon CH 250 high capacity GRC drainage channel 87l/m
    Althon
    Althon CH 250 precast GRC drainage channels. Trapezoidal profile. High capacity of 87 l/m. Channel width 254mm. Overall dimensions L2000mm x W380mm x D515mm. Choice of 9 lids for C250 and D400 loadings. Suitable for large...
  • Althon: Althon CH 600 high capacity GRC drainage channel 412l/m
    Althon CH 600 high capacity GRC drainage channel 412l/m
    Althon
    Althon CH 600 precast GRC drainage channels. Trapezoidal profile. High capacity of 412 l/m. Channel width 610mm. Overall dimensions L1000mm x W875mm x D1000mm. Choice of 9 lids for C250 and D400 loadings. Suitable for large...
  • Althon: Chieftan inspection chamber 1630 x 1070 x 2035
    Chieftan inspection chamber 1630 x 1070 x 2035
    Althon
    The Althon Range of Chieftan Precast Inspection Chambers has been designed to make installation on-site as straightforward as possible. Each inspection chamber comes in two halves with a reinforced cover slab. The units are...
  • ACO Water Management: ACO MultiDrain MD gratings
    ACO MultiDrain MD gratings
    ACO Water Management
    ACO M100D gratings are designed for use with ACO MultiDrain™ MD channels with UltraSTEEL™ galvanised edge rails or stainless steel edge rails: cast iron, stainless steel and plastic slotted gratings, heelguard options, solid...
  • Polypipe Civils: RIDGISTORM-X4 stormwater treatment system
    RIDGISTORM-X4 stormwater treatment system
    Polypipe Civils
    RIDGISTORM-X4 is a prefabricated chamber containing a 4-stage filtration system, used for the treatment of surface water run-off. It can remove heavy particles, silt, nutrients and heavy metals, such as copper, zinc and...
  • Althon: SFA15 B headwall, backwall height 1650
    SFA15 B headwall, backwall height 1650
    Althon
    SFA15 B precast concrete headwall for connecting pipework discharging into open watercourses. Sewers for Adoption compliant. Pipework up to 1050mm. Backwall height 1650
  • Hydro International: Hydro-Brake Optimum vortex flow control
    Hydro-Brake Optimum vortex flow control
    Hydro International
    Hydro-Brake® Optimum is a self-activating vortex flow control with no moving parts and no power requirement. It is used to control the forward flow of water in both surface water applications and foul / combined...
  • Terram: TERRAM geocells for flood defence
    TERRAM geocells for flood defence
    Terram
    TERRAM Geocell for floods provides a cost-effective and fast installation of temporary walls in emergency flood areas. The geotextile cells are filled with local material to build walls faster than conventional sand-bagging.
  • Althon: AH10 C angled headwall range, backwall height 1250-2130
    AH10 C angled headwall range, backwall height 1250-2130
    Althon
    The AH10 C angled headwall is a standard one-piece precast reinforced concrete headwall for pipes with internal diameters up to 900mm. They allow pipework entering a watercourse at an angle, or for an outfall to be sited on...
  • Marshalls: Drexus XL high capacity linear drainage system
    Drexus XL high capacity linear drainage system
    Marshalls
    Drexus XL is a recycled polyethylene (PE) high capacity channel, ideally suited for high-capacity, heavy duty projects. It can cover any load class, including busy service yards, rail and docking ports, airports with severe...
  • Polypipe Civils: RIDGISTORMSeparate prefabricated catchpits
    RIDGISTORMSeparate prefabricated catchpits
    Polypipe Civils
    RIDGISTORMSeparate catchpits are designed to separate and retain silt and other particles from stormwater, helping to protect the downstream drainage system and local environment: easy access for silt collection; network...
  • ACO Water Management: ACO Qmax® slot drainage system
    ACO Qmax® slot drainage system
    ACO Water Management
    ACO Qmax is a high capacity recycled Polyethylene (PE), slot drainage system suitable for a wide range of applications involving small to large catchment areas to any load class. It is specifically designed to form an...
  • Althon: Chieftan inspection chamber 1830 x 1375 x 1390
    Chieftan inspection chamber 1830 x 1375 x 1390
    Althon
    The Althon Range of Chieftan Precast Inspection Chambers has been designed to make installation on-site as straightforward as possible. Each inspection chamber comes in two halves with a reinforced cover slab. The units are...