MonoDrain A versatile channel drainage system for surface water conveyance

The new ACO MonoDrain™ PD100D is a one-piece channel drainage system that delivers multiple benefits including safety and sustainability, economical and efficient installation and aesthetic choices across applications such as stations, schools, car parks and commercial areas.

ACO MonoDrain PD100D is a simple yet versatile channel drainage system for surface water conveyance which has been specifically developed to meet the demands of contractors and clients alike. Designed to maintain the long term performance and appearance of the installation, its robust one-piece construction removes the risks associated with dislodged or stolen gratings – providing a highly effective alternative to traditional two-part channel and grate systems

Manufactured from Vienite®, ACO’s high performance polymer concrete with recycled material, the system delivers the highest levels of quality, installation and environmental benefits required for modern construction projects, yet has none of the performance compromises associated with other recycled materials on the market.

MonoDrain Overview Video

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Moving to monocast

Key criteria when specifying monocast drainage

MonoDrain PD100D brochure

Versatile one-piece channel drainage system

The 1m channel units form the core of the range and are available in five constant depths. They range in height from 135mm, ideal where installation depths maybe restricted, to the deepest 305mm unit for maximum hydraulic performance.

ACO MonoDrain™ PD100D channels are constructed in one-piece with an integral Heelguard™ grating, making the product incredibly strong and robust.

The 100mm bore wide channels are available in three colours of Vienite, black, grey and and natural.  Maintenance is provided for by lockable rodding access points, sumps and gully units which allow the system to be simply and efficiently cleaned by standard jetting equipment.

Specification couldn’t be easier as all channels and accessories are certificated to BS EN 1433:2002 load class D 400*, making the system suitable for a range of light duty pedestrian, landscaped and medium duty applications including town centres, commercial developments and parking areas for cars and HGV’s. MonoDrain is particularly attractive to contractors, who will save £5.07** per metre on concrete installation costs; which over a large project adds up to significant savings. This is achieved by reduced haunch requirements from 150mm down to 100mm, making ACO MonoDrains installation details superior to other monocast drainage channels available from competitors.

*ACO MonoDrain PD100D system is not suitable for carriageways of public roads or motorways - for these application consider the use of ACO RoadDrain

** 150mm haunch Monoblock, vs 100mm MonoDrain for 0.0 channels, price of concrete £90 per m3 (priced August 2017).

Sizes and Gratings

The ACO MonoDrain system is available in 100mm wide constant depth channels and five depths, 30.0, 20.0, 10.0, 0.0 and shallow

The inlet design features Heelguard inlets, particularly suited to pedestrain areas, MonoDrain has a similar aesthetic style to MultiDrains popular Heelguard grate. To see how MonoDrain will look in different applications click the link below.


  • One-piece design for lifetime integrity and security, suitable for parking areas and town centres
  • Many design configurations available including constant depth, step fall, T and L junctions
  • Made from sustainable, robust materials which are thermally stable, chemically resistant and environmental friendly
  • Integral anti-theft grating design
  • Simplifies specification and design
  • Proven performance and durability
  • Safe and secure installation
  • Capacity choices optimise hydraulic performance
  • High daily installation rate and material savings


  • Maintenance friendly
  • One-piece design for lifetime integrity and security
  • Integral 8mm Heelguard™ inlets designed to resist debris blockage
  • Profiled channel surface for improved water interception
  • External faces anchor channel securely into concrete surround
  • Sealant groove for simple watertight installations
  • 100mm haunch dimension saves money compared to similar competitor products
  • Standard 100mm wide bore shaped to promote self cleansing

Recommended Applications

  • Landscaped areas
  • Light industrial
  • Pedestrian precincts
  • Parking areas for cars and HGV’s
  • Retail and commercial developments
  • Schools
  • Town centres

Not Recommended Applications

  • Highways
  • Heavy industrial
  • Ports and docks

Related products


PDF Brochures

Product DWG Files

Installation DWG Files

Installation PDF Files


CPR Data


Dublin Port
MonoDrain Maintenance
ACO MonoDrain™ PD100D - Channel Drainage Cleaning Tutorial
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ACO MonoDrain™ PD100D - New One Piece Channel Drainage System