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ND SM-25 / ND SM-50 Substrate Panels

Hydrophilic mineral wool panels for use as a substrate substitute on extensive green roofs where only minimal roof loads are possible, and on medium and steep pitched roofs where it is not possible to install a substrate due to a danger of it sliding off. It is also easy and economical to install.

ND SM-25 / ND SM-50 Substrate Panels

These mineral wool panels combined with vegetation blankets reduce the weight of the total green roof package to about 35 kg/m².

ProductND SM-25 Substrate PanelsND SM-50 Substrate Panels
ND SM-25 Substrate PanelND SM-50 Substrate Panel
Materialhydrophilic mineral woolhydrophilic mineral wool
Density80 kg/m³80 kg/m³
Dimensionsapprox. 1,200 mm x 1,000 mm x 25 mmapprox. 1,200 mm x 1,000 mm x 50 mm
Packagingapprox. 9.6 m², packageapprox. 4.8 m², package
Weight dryapprox. 2 kg/m²approx. 4 kg/m²
Weight saturedapprox. 17 kg/m²approx. 34 kg/m²
Water retention capacityapprox. 15 l/m² = 80 % vol.approx. 30 l/m² = 80 % vol.
Air volumeapprox. 16 %approx. 16 %
pH valueapprox. 7 - 8approx. 7 - 8

Applications

  • Nophadrain Extensive Green Roof System – light weight roof construction
  • Nophadrain Lightweight Waterbuffering Roof System
  • Nophadrain Extensive Green Roof System – medium picthed roof
  • Nophadrain Extensive Green Roof System – steep pitched roof