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PITCHED ROOF 15-45°

Greening pitched roofs with anti-slip system N (Net)

The anti-slip system N is suitable for barrel, monopitch, pitched and domed roofs with a pitch of up to 45° - just like our PITCHED ROOF 15-45°. The great advantage of the system N for symmetrical roof shapes is that it is penetration-free. It does not require statically effective shear abutments. The system N is self-balancing, inexpensive and easy to install.

The anti-slip system N consists of a highly tear-resistant and rot-proof mesh. It is used to absorb tensile forces from the shear ties. The special shear sills with integrated fastening hooks are hooked into the net laid over the ridge or fixed with fastening systems. The advantage of the system lies in its ease of installation and its particular flexibility. The spacing of the sleepers can be flexibly adapted to the roof pitch. Due to the high degree of standardization, many forms of green roofs can be implemented on pitched roofs at low cost.

Ecological value
Maintenance costs
Costs*with Vegetation mat: from approx. 65 €/m2

* Standard cost value for 1,000 m², net incl. installation, material varies from region to region.

System structure pitched roof system N

Note: Click on the marked points to get more information!

Vegetation mat

  • Pre-cultivated sedum mat for the rapid establishment of vegetation in order to prevent wind erosion, with decomposable carrier.
  • learn more: Vegetation mat

Shear sill N

  • The special Anti-Slip Sill is mounted by securing it to the net, using its integrated fixing hooks.
  • learn more: Anti slip-system N

Safety net

  • Extra tough and rot-proof net for transfering tensile load to the ridge
  • learn more: Anti-slip system N

Extensive substrate E (60 mm)

  • A substrate with high water storage capacity and good air porosity, tailored to extensive multi layer systems.
  • learn more: Extensive substrate E

Structured storage fleece SSV 800

  • Protects the roof membrane against damage
  • Suitable for water storage and targeted discharge of surplus water, especially at the eaves.
  • learn more: Structured storage fleece SSV 800

Technical specifications

Weight*from approx. 100 kg/m² or 1.0 kN/m²
Build-up depthfrom 80 mm
Roof pitch15-45°
Vegetation formsedum or sedum-herbs-grasses
Discharge coefficientCs = 0.7
Water storagefrom 30 l/m²

* Depending on the load capacity of the substructure, Optigrün "High Density (HD)" or "Low Density (LD)" substrates can be used. Weight specifications refer to saturated conditions; dry weight is approximately 60 - 70 % of the saturated weight.