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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  • SDS: SDS Rigofill Modular Stormwater Storage/Infiltration
    SDS Rigofill Modular Stormwater Storage/Infiltration
    SDS
    Rigofill stormwater storage systems are geocellular strctures used to store stormwater that is unable to soak into the ground naturally. The water can then be allowed to infiltrate, under controlled conditions, or can be...
  • Marshalls: Drexus 100 low capacity linear drainage system
    Drexus 100 low capacity linear drainage system
    Marshalls
    Drexus 100 is a cost-effective, low capacity linear drainage system that can withstand load classes B125 to D400 when used in combination with the range of Drexus 100 cast iron grates. Gratings are attached securely to the...
  • Althon: Althon CH 525 high capacity GRC drainage channel 325l/m
    Althon CH 525 high capacity GRC drainage channel 325l/m
    Althon
    Althon CH 525 precast GRC drainage channels. Trapezoidal profile. High capacity of 325 l/m. Channel width 533mm. Overall dimensions L1200mm x W725mm x D945mm. Choice of 9 lids for C250 and D400 loadings. Suitable for large...
  • Althon: SFA20 B headwall, backwall height 1650
    SFA20 B headwall, backwall height 1650
    Althon
    SFA20 B precast concrete headwall for connecting pipework discharging into open watercourses. Sewers for Adoption compliant. Pipework up to 1050mm. Backwall height 1650mm
  • Polypipe Civils: Component chambers for stormwater and sewer systems
    Component chambers for stormwater and sewer systems
    Polypipe Civils
    Polypipe’s WRc approved large diameter component chambers are prefabricated using thermoplastic structured wall pipes. The structured wall chambers are fully welded and watertight. They are strong but lighter in weight than...
  • Althon: H10C headwall range, 1250/1650/2130 backwall height
    H10C headwall range, 1250/1650/2130 backwall height
    Althon
    The H10C headwall is a one-piece structure for plastic, clayware or PCC pipes up to 900mm: available with 3 standard backwall heights; lifting points for safe handling; stainless steel sockets for attaching gratings;...
  • Althon: H8C headwall range,  1100 / 1500 / 2100 backwall height
    H8C headwall range, 1100 / 1500 / 2100 backwall height
    Althon
    A one-piece reinforced concrete headwall to suit plastic or clayware pipes up to 525mm or PCC pipes up to 450mm. Available with three standard backwall heights, 1.1m, 1.5m and 2.1m; lfting points cast in to each wingwall for...
  • Althon: Culvert header beams and wingwalls
    Culvert header beams and wingwalls
    Althon
    Althon provides purpose-made header beams and wingwalls for box culverts to suit specific situations and applications: extend the full width of the culvert; secured with stainless steel dowels with high-strength, non-shrink...
  • Althon: Precast concrete headwalls for culverts
    Precast concrete headwalls for culverts
    Althon
    Althon culvert headwalls recess the inflow and outflow at the end of the pipe or culvert into the slope to improve entrance flow conditions, and to anchor the pipe and prevent disjointing due to excessive velocities
  • Althon: Chieftan inspection chamber 1830 x 1675 x 1695
    Chieftan inspection chamber 1830 x 1675 x 1695
    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...
  • Polypipe Civils: Ridgisewer – polypropylene gravity sewer pipes 400-900
    Ridgisewer – polypropylene gravity sewer pipes 400-900
    Polypipe Civils
    Ridgisewer is a polypropylene structured wall pipe for use in gravity sewers. It can be fitted to new or replacement system. Pipes are available in diameters from 400mm to 600mm in 3m lengths. The complete system includes...
  • 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...
  • Hydro International: Stormcell® geocellular stormwater storage system
    Stormcell® geocellular stormwater storage system
    Hydro International
    Stormcell® is a low-cost underground stormwater storage system that can be used under trafficked areas for the alleviation of flooding in existing urban areas, as well as for new developments. Stormcell® is a high-void...
  • Polypipe Civils: Ridgigully HDPE gully for trapped or untrapped systems
    Ridgigully HDPE gully for trapped or untrapped systems
    Polypipe Civils
    Ridgigully is a light, easy-to-handle HDPE system suitable as an alternative to to heavy concrete gullies. Ridgigully is manufactured in durable HDPE and is available in three sizes. It incorporates patented screw thread...
  • Althon: Two piece heavy duty silt trap inlet
    Two piece heavy duty silt trap inlet
    Althon
    Althon 2 Piece Heavy duty silt Traps are sturdy structures for use on large diameter pipes and are ideally suited for use in water courses with high velocities of water flow. Althon provide as standard with each unit a...