Urbanscape Green Roll Substrate

Urbanscape Green Roll is a super lightweight green roof substrate made solely of virgin rock mineral wool fibres specially needled to form a compact and dimensionally stable felt. Urbanscape Green Roll ensures excellent water retention and conservation in green roofs and is a good growing medium removing the need for traditional soil substrates.


Urbanscape Green Roll Substrate Key Benefits

  • 8 x lighter. Urbanscape Green Roll Substrate being a core of the Urbanscape Green Roof System is lighter compared to the traditional soil substrate and can be used on almost any building structure without compromising the structural stability. On average Urbanscape Green Roll is 8-10 times lighter and can hold up to 3-4 times more water per its volume than other green roof substrates.

  • 10x better water retention. Urbanscape Green Roll Substrate provides for fast and long-term stable water re-absorption and water retention performance. Depending on climate zones, different types of Urbanscape Green Roll are used.

  • Efficient installation (2-5 tonnes vs 100 tonnes). Urbanscape Green Roll Substrate ensures significantly lower labour intensity. For su.cient water absorption capacity and appropriate growing base for vegetation of 1000 m. of green roof, 2-5 tonnes of Urbanscape Green Roll Substrate are needed compared to above 100 tonnes of traditional green roof substrates.

Technical Properties


Units per pallet


Pallet weight

Product water

Green Roll Standard

20 mm1m6m24

2.20 kg/pallet

1316.80 kg/pallet17 l/m2

Green Roll Standard

20 mm1m3m24

4.40 kg/pallet

16.80 kg/pallet29l/m2





Pallet size (LxWxH)

1.2x1x 2.6 m

Nominal density*

100-110 (130)*** kg/m3

 EN 1602

Initial water absorption**

8.3 times

Initial water absorption under 700 N/m2 pressure**

7.0 times

Water absorption characteristics

72 %

 WOK analysis

Thickness tolerance*


EN 14303


555 m2/pallet

Pallet Size (LxWxH)

2.02 x 1.1 x 1.2m

Maximum service temperature*

100 oC

 EN 14706

Thermal conductivity at mean temperature* λ N,P

0.040 W/mK

EN 12667

Reaction to fire

Euroclass A1

EN 13501-1