SuDSFLOW - Paving Spacers

Paving Spacers for Permeable Paving

The System

Special Properties

  • Use with readily available standard paving units thereby effectively making permeable paving available ex-stock
  • Class F compliant
  • Allows pollutants to be trapped by the subgrade
  • Slows water so it flows naturally into the water table
  • Turns any paving unit into permeable paving
  • Makes permeable paving available in countries where specialist pavers are not manufactured
  • Made from 100% recycled materials
  • 25 year guarantee
  • Can sustain up to 2,000 litres per sqm per hour.
SuDS permeable paving

Fields of Application

  • Domestic Driveways
  • Patios and Terraces
  • Car Parks And Ramps


  • Footpaths
  • Pedestrian Precincts
  • Access Roads

Limitations of Use

Limited by the design of the sub-base.


Dependant on the layout and size of paving units employed; typically – 5 SuDSFLOW spacers/m2 (450 x 450 flags).

SuDS permeable paving


  • Architects are no longer limited to the range of purpose made permeable paving like Marshalls Priora, / Formpave Aquaflow – with SuDSFLOW ANY modular paving unit can be used in a permeable paving scheme
  • Local authorities – a range of permeable pavers is no longer required for repairs and maintenance to SuDS paving


  • Turns a domestic driveway into an environmentally friendly alternative to porous paving with one large soakaway
  • Designed and manufactured to comply with sustainable drainage requirements covered by the Flood and Water Management Bill
  • Clean and controlled water discharge


  • Will absorb rainfall at the same rate as it would on unpaved ground, by infiltrating directly into a suitable sub-grade
  • Creates permeable pavements, pathways and driveways for puddle / ice free landscaping

SuDSFLOW is protected by GB Patent no.1104484.9