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ND WSM-50 Water Reservoir Panel

Sustainable, stable hydrophilic mineral wool panels that naturally retain water for intensive green roofs. These panels make it possible to use topsoil instead of ND DGS-I Substrate Intensive as a planting medium.

ND WSM-50 Water Reservoir Panel
Material hydrophilic mineral wool
Density approx. 120 kg/m³
Dimensions approx. 1,200 mm x 1,000 mm x 50 mm
Packaging approx. 4.8 m², package
Weight dry approx. 6 kg/m²
Weight saturated approx. 46 kg/m²
Water retention capacity approx. 40 l/m² = 80 % vol.
Air volume approx. 16 %
pH value approx. 7 - 8


  • Nophadrain Extensive Green Roof System
  • Nophadrain Intensive Green Roof System
  • Nophadrain Lightweight Waterbuffering Roof System


  • Kiwa MPH Bautest GmbH - Test of the filter stability of the ND WSM-50 Water Reservoir Panel in combination with topsoil.