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Surface water and stormwater management
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Surface water and stormwater management for highways, public realm, commercial and residential sites. Linear drainage channels, kerb and slot drains, gullies and catchpits. Geocellular attenuation and infiltration units, storage tanks, flow controls and chambers. Oil, silt and vortex separators, headwalls and outfalls. SuDS systems for conveyance, storage, treatment and controlled discharge.
Surface water and stormwater management - helping you find the best solution for your project.

ACO KerbDrain D - combined kerb and drainage system
ACO KerbDrain is a one-piece combined kerb and drainage system made from high strength polymer concrete, designed for surface water management in highways, car parks, and urban landscaping. The range includes half battered, splayed, and bus stop profiles, with multiple channel widths and depths: combined kerb and drainage channel for surface water
SFA concrete headwalls with precast steps
Althon SFA Headwalls with Precast Steps are precast concrete headwalls designed for Sewers for Adoption compliance, integrating precast steps, outfall safety grilles, and galvanised steel handrailing with gated access. Made to suit various pipe diameters and types, these headwalls can include fixings for gratings, trash screens, flap valves
ACO Freestyle bespoke gratings for channel drains
ACO Freestyle is a customer-led grating design solution giving clients the ability to create bespoke drainage grating designs. Designers now have the freedom to create their own drainage designs that integrate into the architecture and materials of the environment. The product is manufactured from Ductile iron, and is compatible with
Two piece heavy duty silt trap inlet
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 galvanized weed screen and removable centre panel for access to the silt for cleaning. Lifting points are cast into the wingwalls
Hybrid SuDS Planter - shallow rain garden system
Hybrid SuDS Planter is a shallow-profile rain garden system made for urban areas with limited excavation depth. Integrates sustainable drainage and planting in ground-level or raised units, using a Hydrorock base for water storage and slow release. Designed for installation where underground utilities or hard surfaces restrict traditional rain
ACO RainDrain B 125 - polymer concrete light duty drainage channel
ACO RainDrain B 125 polymer concrete light duty channel drainage system with cast iron grating. Manufactured from ACO’s high strength recycled polymer concrete, the 1m channel unit comes complete with a cast iron grating suitable for pedestrian areas, domestic drives and small private car parks (Load Class B 125). ACO RainDrain B 125 has a full
H10C headwall range, 1250/1650/2130 backwall height
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; brackets for anchorage system. Backwall heights 1250mm, 1650mm and 2130mm Toe depth Toe extension pieces for overall depth of 710 or
StormChannel™ - heavy-duty precast concrete slot drain
StormChannel™ is a heavy-duty precast concrete slot drain system designed to manage surface water run-off. It is intended for use in roads, motorways, car parks, industrial, commercial and residential areas. The product is supplied in two main types: bullnose kerb slot drain: includes a linear slot drain and a profiled oblong drainage channel
ACO KerbDrain® - combined kerb and drainage system
ACO KerbDrain is an award-winning combined kerb and drainage system that has been designed to form an integral part of modern, sustainable surface water management solutions. It is the first combined kerb drainage system of its kind to use recycled materials, and be independently certified and Kitemarked to BS EN 1433: 2002. The one-piece system
Splayed Wing Wall Headwalls
Althon SP ‘Splayed Wing Wall Headwalls’ are precast headwalls produced with a higher wing walls at the front of the apron. SP precast headwalls are for inlets or outlets situated in locations with high or steep embankments or where the structure is required to provide protection to an accessory such as a flap valve, duck bill valve, stop logs or
RECYFIX MONOTEC drainage system - Heel-safe and low maintenance
RECYFIX MONOTEC channel drainage is designed to accept large volumes of rainwater - to load class D400 - in areas with frequent traffic. The system is manufactured from recycled polypropylene (PP) with an integrated FIBRETEC heel-safe composite grating. The monolithic drainage system is manufactured from two parts using a mirror welding process
400 Mitred Headwall - precast concrete outfall for 400mm drainage pipes
Althon 400 Mitred Headwall is a fibre reinforced precast concrete open inlet for surface water runoff, suitable for pipework up to 375mm and 400mm internal diameter, with a 1:3 (18°) mitred profile matching swale and pond slopes, and supplied with a galvanised steel straight bar grating: fibre reinforced precast concrete headwall for 375mm and
Kellen H2O - permeable concrete block paving system
Kellen H2O permeable concrete pavers are designed for both pedestrian and vehicular use, and combine drainage with a durable surface. Sizes: 210 x 105 x 80mm; 210 x 105 x 100mm. Made in Tiel, The Netherlands. Finishes include Breccia, Keranova, Lavaro and Standard, with a range of colours. Permeable paving blocks for effective surface water
ACO HexDrain® Brickslot - drainage channel
ACO HexDrain® Brickslot is a high-quality, high-strength domestic slot drainage channel. It provides a discreet system for domestic block paving installations and threshold drainage. Manufactured from 100% recycled polypropylene, the highly successful 1m ACO HexDrain® channel has been combined with an off-set slot cover specifically designed for
450 Mitred Headwall - precast concrete drainage inlet for 450mm pipes
Althon 450 Mitred Headwall is a fibre reinforced precast concrete open inlet for surface water runoff, designed for pipework up to 450mm internal diameter. Inlet profile matches a 1:3 (18°) slope for swales and ponds, with a galvanised steel straight bar grating as standard and optional inline non-return valve: fibre reinforced precast concrete
HD2000 polymer drainage channel
HD2000 is a 200mm polymer concrete drainage channel has a nominal width of 200mm for load class applications up to F900. The HD2000 has an integral cast iron edge rail for strength under extreme dynamic loading. The lightweight construction of polymer concrete reduces installation time and manpower required on site: channel sections for a linear
H20C headwall range, backwall heights 1.25/1.65/2.13m
The H20C culvert headwall is a sectional structure with rebated joint that is assembled on site around the drainage pipe. It is suitable for plastic or clayware pipes up to 1650mm or PCC pipes up to 1500mm. Available with Standard, Horizontal or Chamfered Wingwalls and with 3 standard backwall heights
Concrete-filled bagwork for headwalls
SoluForm concrete-filled bagwork can be used to build headwalls. The bags are simple to use and can be placed by hand, either pre-soaked or hydrated in situ. The adaptable nature of the system allows for construction in various different situations, letting personnel on site work around obstacles and install in hard to access areas
DACHFIX POINT - steel point drain for flat roofs, balconies and terraces
DACHFIX POINT is a point drainage system for flat roofs, balconies, and roof terraces, made from galvanised steel or stainless steel. Connects to DACHFIX STEEL façade channels. Gratings are suitable for pedestrian and wheelchair access. Modular construction allows flexible height adjustment with stackable units in 55mm, 70mm, and 150mm heights
Hydro-Brake Optimum - self-activating vortex flow control
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 applications to prevent flooding. With no moving parts and no power requirements, the Hydro-Brake® Optimum provides reliable
316 stainless steel orifice plate - curved
Curved orifice plates in 316 stainless steel to restrict and regulate the flow of water. The opening in the plate can be manufactured to specified dimensions and positions. All necessary fixing materials and an EPDM seal with every orifice plate: 100mm Stainless Steel 316 Curved Orifice Plate; 110mm Stainless Steel 316 Curved Orifice Plate; 150mm
SDS Weholite Systems For Jointing
With SDS Weholite Jointing Systems, the most efficient method of joining is selected for each specific application to ensure that the pipeline remains watertight, durable and effective despite the potential for poor ground conditions where there is the risk of excessive movement
Wavin OsmaDrain - plastic underground drainage pipes and fittings system
Wavin OsmaDrain Gravity Drainage System is a below-ground drainage and sewer pipework system for housebuilding, industrial, and commercial projects, suitable for installation depths up to 10 metres. Made from at least 50% recycled content, it includes pipes and fittings in 110mm and 160mm diameters, with RootSeal Technology to inhibit root
ACO Q-Penstock - hdpe and steel penstock for water flow control
ACO Q-Penstock is a flow control unit for surface water and wastewater networks, made from lightweight HDPE with stainless steel 316L reinforcement. Designed for wall mounting. DN100–1500mm for HD and DN100–600mm for SD: flow control unit for managing surface water, flood, and sewage systems; made from HDPE with stainless steel 316L reinforcement

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