Manufacturers and suppliers of integrated stormwater management solutions on EXTERNAL WORKS. Helping you find the best supplier for your project.
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  • Althon: Standard precast concrete headwalls
    Althon: SFA (Sewers for adoption) headwalls
    Althon: Rectangular Sewers for Adoption (RSFA) Headwalls
    Althon: Angled precast concrete headwalls
    Althon: Rectangular precast concrete headwalls
    Althon: Splayed Wing Wall Headwalls


    Althon Precast Headwalls and Water Management Althon Limited manufacture and distribute specialist water management products to the construction industry. We design and manufacture precast concrete headwalls to meet Sewers for Adoption and Severn Trent Guidelines. Our product range includes flap valves, penstocks and stop logs as well as trash...
    Vulcan Road South, Norwich, NR6 6AF
    Phone: 01603 488700  Visit website
  • SDS: SDS Surface Water Management
    SDS: SDS Aqua-Swirl™ Hydrodynamic Stormwater Separator
    SDS: SDS Aqua-Filter™ Separator & Filter for Surface Water
    SDS: SDS GEOlight® Modular Underground Stormwater Storage
    SDS: SDS Rigofill modular stormwater storage/infiltration
    SDS: GEOlight® attenuation tanks and soakaways for MoD base


    SDS provides sustainable solutions to water management encompassing the treatment, storage and reuse of storm and surface water runoff. The company is focused on providing innovative, cost-efficient solutions to specifiers, architects, civil engineers, construction and groundworker contractors, housebuilders, developers and property managers for...
    Clearwater House, Castlemills, Biddisham, BS26 2RE
    Phone: 01934 751303  Fax: 01934 751304  Visit website
  • Hydro International: Hydro Biofilter™ bioretention system
    Hydro International: Storm King® overflow with Swirl-Cleanse™ Screen
    Hydro International: Stormbloc® Optimum stormwater storage / infiltration
    Hydro International: Stormcell® geocellular stormwater storage system
    Hydro International: Up-Flo™ Filter fluidised bed filtration system
    Hydro International: Downstream Defender® saves Shortwood Pond from pollution

    Hydro International

    Hydro International Ltd is a global company that provides advanced products, services and expertise to help municipal, industrial and construction customers to improve their water management processes, increase operational performance and reduce environmental impact. With over 40 years of experience and a reputation for engineering excellence...
    Shearwater House, Clevedon Hall Estate, Victoria Road, Clevedon, BS21 7RD
    Phone: 01275 878371  Visit website
  • ACO Water Management: ACO StormBrixx geocellular stormwater management system
    ACO Water Management: Sustainable surface water drainage system for car parks
    ACO Water Management: Soakaway helps heritage steam railway meet building regs
    ACO Water Management: ACO provides sustainable slot drainage to supermarket
    ACO Water Management: Surface water management solution for Network Rail
    ACO Water Management: Welsh house builder turns to Stormbrixx

    ACO Water Management

    ACO is a world leader in the design, development and implementation of sustainable surface water management systems. For over 60 years ACO has pioneered unique solutions that satisfy the need for high performance, environmental excellence, optimal return on investment and long operational life across a vast range of applications. Product solutions...
    ACO Business Park, Hitchin Road, Shefford, SG17 5TE
    Phone: 01462 816666  Fax: 01462 815895  Visit website
  • Wavin: AquaCell Eco geocellular stormwater management modules
    Wavin: Aquacell stormwater management for housing development
    Wavin: Q-Bic stormwater management system for new London park
    Wavin: Q-Bic Plus stormwater management for football stadium
    Wavin: Q-Bic Plus geocellular inspectable stormwater management
    Wavin: Garastor stormwater storage and management unit


    Wavin is an innovative solution provider for the building and infrastructure industry across multiple continents. Backed up by 60+ years of expertise, Wavin are geared up to tackle some of the world’s biggest challenges around: water supply, sanitation, climate-resilient cities and building performance. At Wavin, they focus on creating positive...
    Edlington Lane, Edlington, Doncaster, DN12 1BY
    Phone: 01709 856300  Visit website
  • Marshalls plc: Precast concrete headwalls
    Marshalls plc: Downstream Defenders
    Marshalls plc: Biofilter™ biofiltration system for stormwater treatment

    Marshalls plc

    Marshalls plc is a leading UK manufacturer and supplier of hard landscaping and building products for the built environment. The product portfolio falls into five broad categories: concrete paving; natural stone products; water management products; protective street furniture; brick and masonry products. Products are backed by design services and...
    Landscape House, Premier Way, Lowfield Business Park, Elland, HX5 9HT
    Phone: 0345 302 0600  Visit website
  • 2H Water Technologies: GEOdek® standard stormwater infiltration system
    2H Water Technologies: GEOdek™ stormwater attenuation system at Redcar college

    2H Water Technologies

    2H Water Technologies, a trading division of ENEXIO UK Ltd, is a leading UK manufacturer of structured plastic media for water management plant. With 30 years' experience in the market, 2H has built up a customer base that includes the UK's leading civil engineering companies, water authorities and energy manufacturers. Its headquarters in...
    Unit 6 Prospect Court, Courteenhall Road, Bilsworth, Northampton, NN7 3DG
    Phone: 0845 003 9114  Fax: 0845 003 9115  Visit website
  • ELIQUO HYDROK: SUDScreen™ surface water separation and screening
    ELIQUO HYDROK: ALPHEUS® flow control regulators - AT, AS and AA


    Eliquo Hydrok Ltd became a member of the Eliquo Water Group in 2016 through the acquisition of Hydrok UK Ltd by ELIQUO WATER GROUP GmbH . As a result of this, the new company has been able to add to the already existing extensive solution and product portfolio by the introduction of proprietary biosolids and nutrient management technologies such...
    Warren Road, Indian Queens Industrial Estate, Indian Queens, St Columb, TR9 6TL
    Phone: 01726 862000  Fax: 01726 862008  Visit website
  • GreenBlue Urban Ltd: HydroPlanter™ rain garden system for car park, Newmarket
    GreenBlue Urban Ltd: HydroPlanter™ - rainwater bio-retention modular planter

    GreenBlue Urban Ltd

    Founded in 1992, GreenBlue Urban (formally Greenleaf) was set up to research and provide solutions for assisting trees in their battle to establish in urban spaces. With the goal of drastically improving urban planting success and increasing leaf canopy in urban areas, GreenBlue Urban tirelessly analysed the challenges, the causes of failure, and...
    Northpoint, Compass Park, Junction Road, Bodiam, Robertsbridge, TN32 5BS
    Phone: 01580 830800  Visit website
  • Gravitas International: HydroSnake sandless sandbag for flood protection

    Gravitas International

    Gravitas International is a Family run business that designs, manufactures and distributes flood defence products and vegetated wall systems. Gravitas International is the Master Distributor of FlexMSE® for the UK & Ireland....
    219 Ashley Road, Hale, Altrincham, WA15 9SZ
    Phone: 0161 980 1016  Visit website
  • Maccaferri: FlexMac® DT reusable modular flood barrier system
    Maccaferri: Webinar series - solutions for underwater applications


    Established in 1879, Maccaferri Ltd is the UK subsidiary of the Maccaferri Industrial Group, with offices and manufacturing facilities in over 20 countries worldwide. Maccaferri has an extensive product range within the following areas: retaining structures; erosion protection; slope reinforcement; pavements; basal platforms; fibre reinforced...
    9 Blenheim Office Park, Fenlock Road, Long Hanborough, OX29 8LN
    Phone: 01865 770555  Visit website
  • CORE Landscape Products: CORE Drainage cells
    CORE Landscape Products: CORE WATER soakaway crate for rainwater management

    CORE Landscape Products

    COREgravel UK Ltd manufactures, supplies and installs eco-friendly solutions for ground stabilisation, gravel line safety marking, decorative landscaping and water recycling throughout the UK. A national network of installers cater for all types of schemes, from light domestic to heavy industrial projects....
    Units 1-3 Calves Lane Farm, Bellswood Lane, Iver, SL0 0LU
    Phone: 0800 118 2278  Visit website
  • Naylor Environmental: Smart Sponge® Passive Skimmer Range
    Naylor Environmental: Aquavoid®-Metro stormwater storage crates

    Naylor Environmental

    Naylor Environmental specialises in natural alternatives to traditional concrete and blacktop surfaces for car parks, driveways, paths, access routes for emergency and service vehicles, cycle tracks, and open grassed areas that may be subject to vehicular and pedestrian traffic. The Naylor Aquavoid system provides underground storage for the...
    Clough Green, Cawthorne, Barnsley, S75 4AD
    Phone: 01226 794135  Visit website
  • ABG Geosynthetics: EcoBloc Inspect - modular rainwater collection system

    ABG Geosynthetics

    ABG Ltd designs, develops, manufactures and supplies high performance geosynthetic systems for civil engineering, environmental and building projects. Formed in 1988, based in the UK in Meltham, near Manchester. ABG technical support coves full design, design validation, feasibility studies, cost advice and advice on meeting regulatory requirements....
    E7 Meltham Mills Road, Meltham, Holmfirth, HD9 4DS
    Phone: 01484 852096  Visit website
  • BCM GRC: BCM 600 headwall unit


    BCM GRC Ltd is a leading supplier of high grade Glassfibre Reinforced Concrete (GRC). GRC is one of the most versatile building materials available to architects and engineers having only 20% of the weight of pre cast concrete. GRC is also strong with a higher tensile strength than precast concrete allowing thinner wall sections to be produced...
    Unit 22, Civic Industrial Park, Whitchurch, SY13 1TT
    Phone: 01948 665321  Fax: 01948 666381  Visit website