Conventional Roof Assembly

Protectodrain® PD 250 or Fixodrive® FX50

Turn garage roofs into parkland

Transform the urban, utilitarian roof of an underground parking deck into beautiful green parkland.


  • ZinCo Protectodrain® and Elastodrain® systems are built to withstand heavy loads.
  • Versatile system, able to include parking lots, fire access roads, reinforced lawns and stone paving
  • Can be combined with any other ZinCo green roof system

System buildup

  1. Hardsurfacing
  2. Bedding Material (≥ 150 mm)
  3. ZinCo Filter Sheet TG
  4. ZinCo Protectodrain PD250
  5. ZinCo Slip Sheet TGF20
  6. Roof Structure & Waterproofing

Depth: ≥170 mm (7")

Water retention capacity: N/A

Saturated weight: ≥350 kg/m2 (72 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