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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  • 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: SFA10 D headwall, backwall height 1520
    SFA10 D headwall, backwall height 1520
    Althon
    SFA10 B precast concrete headwall for connecting pipework discharging into open watercourses. Sewers for Adoption compliant. Pipework up to 750mm. Backwall height 1520mm
  • Greenfix Soil Stabilisation & Erosion Control: Silt curtains for dispersion of suspended solids
    Silt curtains for dispersion of suspended solids
    Greenfix Soil Stabilisation & Erosion Control
    Silt curtains contain and control the dispersion of suspended solids in the water column during pile driving, site work, dredging, bank re-profiling, quarrying or marine construction, significantly reducing stress on the...
  • Polypipe Civils: Ridgistorm-XL large diameter thermoplastic pipe
    Ridgistorm-XL large diameter thermoplastic pipe
    Polypipe Civils
    Ridgistorm-XL is a WRc approved engineered thermoplastic large diameter pipe system for use in a wide range of applications, including surface water, foul water, combined sewers and large-­scale flood alleviation schemes. It...
  • ACO Water Management: ACO HexDrain® Brickslot drainage channel
    ACO HexDrain® Brickslot drainage channel
    ACO Water Management
    ACO HexDrain® Brickslot is a high-quality, high-strength domestic slot drainage channel. It provides a discreet slot drainage system for domestic block paving installation and threshold drainage. Manufactured from 100%...
  • Bilco UK: Howe Green linear drainage system
    Howe Green linear drainage system
    Bilco UK
    Howe Green linear drainage system is suitable for changing rooms, shower areas, spas, commercial kitchens, laboratories, veterinary surgeries and other areas that require wash-down or water drainage: can accommodate most...
  • Elite Precast Concrete: Precast concrete manhole seating rings
    Precast concrete manhole seating rings
    Elite Precast Concrete
    Concrete frame adjusting / seating rings are reinforced 65mm deep units which can be used in place of engineering bricks to adjust the ductile or cast iron covers and frames to the required level. They can be quickly and...
  • ACO Water Management: ACO Q-Ceptor bypass oil separators
    ACO Q-Ceptor bypass oil separators
    ACO Water Management
    Bypass separators are used when it is acceptable not to fully treat high flows, typically in areas where there is a small risk of spillage, such as short stay car parks. The separator treats all flows generated by rainfall...
  • ACO Water Management: ACO Threshold Drain
    ACO Threshold Drain
    ACO Water Management
    Manufactured from extruded plastic and aluminium, ACO Threshold Drain eliminates water ponding at house entrances. ACO Threshold Drain comes complete with either a silver or black aluminium Heelguard grating suitable for...
  • Althon: H3G GRC headwall
    H3G GRC headwall
    Althon
    The H3G GRC headwall is a precast glass-reinforced cement headwall with an opening to suit 150mm diameter pipes and knockout webs to enlarge to 225mm and 300mm diameter pipes. Cost-effective alternative to in-situ structures...
  • 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...
  • Althon: Rectangular precast concrete headwalls
    Rectangular precast concrete headwalls
    Althon
    Althon manufactures a comprehensive range of rectangular headwalls, including versions that are SFA (Sewers for Adoption) compliant
  • Polypipe Civils: Polystorm-R geocellular systems for trafficked areas
    Polystorm-R geocellular systems for trafficked areas
    Polypipe Civils
    Polystorm-R modular geocellular structures are used for the control and management of surface water in trafficked applications and at a variety of burial depths. They are designed to withstand vertical loads of up to 61...
  • Marshalls: Priora Pencil Edge permeable paving
    Priora Pencil Edge permeable paving
    Marshalls
    This Priora variant, launched in 2015, has been developed for car parks, cycleways or any areas that are used predominantly by wheeled traffic. The chamfer on the edge of the block has been minimised to provide a smooth,...
  • 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