AV SM-50 Substrate Panels

Similar to the ND SM-25 Substrate Panel but with a density of approx. 80 kg/m and a thickness of approx. 50 mm. Application The AV SM-50 Substrate Panels is a component of the Nophadrain Extensive Green Roof – lightweight, medium pitched and steep pitched roof constructions. Properties • Material: hydrophilic mineral wool • Density: approx. 120 / 80 kg/m³ • Water retention capacity: approx. 20 / 30 l/m² = 80 % volume • Air volume: approx. 16 % • pH value: approx. 7 - 8 • Weight: dry approx. 3 / 4 kg/m², saturated approx. 23 / 34 kg/m²