Walkways & Patios on Bedding

Floradrain® FD25 and FD40

Walkways on bedding

High capacity for water retention, ideal if you want to combine paving slabs with landscaping.


  • Floradrain® FD25 or FD40 systems provide the water retention, drainage capabilities and resistance to compression needed for this type of walkway
  • Has the versatility to either hold water back or let it through
  • Multiple options for hard surfacing possible

System Buildup

  1. Hard Surfacing
  2. Bedding Material
  3. ZinCo Floradrain FD25/FD40
  4. ZinCo Diffusion Membrane TGV21
  5. Rigid Insulation
  6. Roof Structure & Waterproofing

Depth: ≥ 100 mm (4")

Water retention capacity: N/A

Saturated weight: ≥ 105 kg/m2 (22 psf)

Slope: 2-5 degrees

Guide Specifications Datasheet
Download PDF Download DWG
Planning Guides

Why Green Roofs?

Greener cities are healthier cities – and ZinCo green roofs can significantly contribute to making cities and buildings more livable by:

  • Improving air quality by absorbing greenhouse gases.
  • Absorbing sunlight, reducing cooling and heating costs for your building.
  • Capturing and helping manage storm water.
  • Reconnecting humans with nature.
Learn more