NBS Source
ShieldINTENSIVE Intensive Roofing System


The build up is most suitable for large scale or more complex areas as it is a very flexible design and can be built into the existing structure.


ShieldINTENSIVE provides the most vibrant and aesthetically pleasing living roof finish. ShieldINTENSIVE systems are principally designed to create recreational and amenity spaces for people to enjoy. They are generally accessible and contain features similar to traditional gardens including lawns, trees, shrubs and hard landscaped areas. Intensive green roof systems involve using greater substrate depths (usually above 200mm) and often create a larger weight loading on the roof. Intensive green roof systems require a higher level of maintenance, including regular irrigation.


  • Shield waterproofing system.
  • Suitable Shield insulation.
  • ShieldGEOTEX Filter Layer.
  • ShieldMAT Drainage Layer.
  • ShieldGEOTEX Filter Layer.
  • ShieldINTENSIVE Growing Medium.

General information


Variable vegetation


Extensive growing medium


Ss_45_40_47_40 Intensive green roof systemsPrimary


Q37/110 Intensive green roof

Specification data - Intensive green roof systems Enhanced data

System performance

In accordance with the GRO Green Roof Code of Best Practice.



Protection layer

ShieldFELT Protection Sheet.

Root barrier

ShieldROOT M - Root Barrier Protection Sheet.

Moisture control


Drainage layer

ShieldMAT Drainage Layer.

Insert thickness requirement, available 20–40 mm.

Filter membrane

ShieldGEOTEX - Geotextile filter layer.

Recycled multi-coloured polyester, 300 g/m², laid above and below drainage layer.

Drainage ancillaries

ShieldBLU Blue Roof System.

ShieldDRAIN water outlets.

Planting systems


Planting medium

ShieldGREEN Growing Medium.

Minimum 75 mm thickness. Crushed brick or rubble (60%), locally sourced marine aggregate and grit (5–10%), growing medium (10–20%), wood mulch (10-20%).

Planting requirements

Plug and plant sedum/ wildflower mixes.

Fire breaks

20–40 mm washed pebbles with ShieldMET retainers, and in accordance with GRO guidelines.

Edge restraints

ShieldMET retainers - aluminium retaining angle.

Waterproofing coating

ShieldSEAL Liquid Applied Waterproofing System.

ShieldTEC Inverted Roof Hotmelt Waterproofing System.

ShieldTEC Warm Roof Hotmelt Waterproofing System.

ULTRAShield High Performance Felt Membrane System.


ShieldBOARD XPS Insulation.

Insert thickness requirement.


ShieldBOARD PIR Insulation.

ShieldWOOL Horizontal And Vertical Insulation.

ShieldGLASS Cellular Glass Insulation.

Environmental information

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom


Fully recyclable

Applicable to each individual component, not as a combined system

Recycled content

85 %

up to

Third party certifications

QMS ISO 9001

QMS ISO 9001

ISO 9001 Quality Management System

EMS ISO 14001

EMS ISO 14001

ISO 14001 Environmental Management System

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