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Intensive Green Roof System

Features and benefits:

  • Designed for intensive roof gardens - overall depth up to 1000 mm.
  • Magnify the aesthetics of vegetation on rooftops.
  • Greater diversity of vegetation, including lawns, large grasses, shrubs and trees.
  • More heat, dust and pollution absorption.
  • More scope for differentiated planting schemes, more lush, luxurious feel achievable.
  • Each layer of component is supplied separately in bag or roll form and installed separately as a 'dry' build-up, allowing easy access to roof areas.
  • Far larger rates of water consumption.
  • Suitable for large scale areas, unlevel or more complicated decks as it is flexible and 'built into' the existing structure.
  • Design, planting and post-installation services available.

General information

Uniclass 2015

Ss_45_40_47_40 Intensive green roof systemsPrimary


Q37/110 Intensive green roof

Q37/120 Simple intensive green roof

Specification data - Intensive green roof systems

Product Reference

Intensive Green Roof System

Protection board

Not required


Geotextile filter fleece

Recycled polyester

300 g/m².

Drainage layer

Protecto-drain 60P


Insert requirements.


Insert requirements, or landscape drawing reference number.

Standard product features

Drainage layer:

  • Protecto-drain 60P perforated drainage sheet.
  • Thickness: 60 mm.
  • Supplied in tray units of 500 x 500 x 60 mm, clipped together to form rigid layer.

Geotextile filter fleece:

  • Recycled polyester fleece - weight: 300 g/m² required for component green roof systems.
  • Laid above and below drainage layer.

Growing medium:

  • Peat based soil mix.
  • aggregate / crushed brick to improve drainage.
  • Moisture retention polymer.
  • 12–14 month release fertilizer.
  • Irrigation system integrated into substrate.


Dependent on the planting scheme.

Maximum roof slope:


Third party certifications