The ideal growth medium for extensive green roof systems with hardy and drought tolerant vegetation.

rooflite extensive is a product line that is available in different saturated weight classes. These weight classes are designed to guide you in choosing the best option for your project based on your weight requirements. Each weight class is identified by a number that corresponds to the typical weight for fully saturated media based on ASTM E2399. Depending on your specific region, the following weight classes are available for rooflite extensive:

  • extensive 600: saturated weight 60-70 lbs/ft3
  • extensive 700: saturated weight 70-80 lbs/ft3
  • extensive 800: saturated weight 80-90 lbs/ft3
  • extensive 900: saturated weight 90+ lbs/ft3


rooflite® extensive properties:

  • State-of-the-art growth medium for all kinds of extensive green roofs in multi-course or multi-layer construction
  • Can be used in combination with rooflite® drain  as a multi-course system or with a synthetic drainage layer in a multi-layer system
  • Normally used at depth of 3-6 inches
  • Supports hardy succulents and other drought-tolerant vegetation