Logo Optigrün

Economy Roof
Solution 1 (using drainage board): 0-5°

  • Technical Specifications

    Weight *90-140 kg/m² or 0.9-1.4 KN/m²
    Build-up depth80 mm
    Roof pitch0 – 5° (0 – 9 %)
    Vegetation formsedum-herbs-grasses
    Water retention50 – 60 % 
    Discharge coefficient **C=0.47 - 0.6
    Water storageapprox. 25 l/m²
    Discharge yield ***141-180 l/s x ha
    Ecological value
    Maintenance costs
    Cost factor
    *Depending on the load capacity of the substructure, Optigreen "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.
    **Depends on slope and system solution. Determined at 0° according to FLL guidelines.
    ***Determined according to FLL discharge coefficient measurements using a 15-minute reference rainfall r(15) = 300 l/s x ha.
  • Brief Description

    Optigreen Hydro-Seeding
    (alternatively dry seeding)

    • Optigreen Hydro-Seeding uses a special germinating substrate and a finely tuned Seed Mix Type E, consisting of numerous herbs (also grasses if desired) as well as various sedum shoots
    • Download Data Sheet

    Optigreen Extensive Substrate E
    (60 mm) *

    • A substrate with high water storage capacity and good air porosity, tailored to extensive multi layer systems
    • Download Data Sheet

    Optigreen Combi Inspection Chamber TKS Plus
    (not shown in the drawing)

    • Simple control of roof drainage outlets
    • Extendable in 100 mm increments
    • Side and top drainage openings
    • Download Data Sheet

    Optigreen Filter Fleece FIL 105

    • Prevents fine particles from forming sludge in the drainage layer; high water permeability
    • Download Data Sheet

    Optigreen Drainage and Water Storage Element FKD 25 (25 mm)

    • Rapid discharge of surplus water
    • Prevents accumulation of water for non-pitched roofs and large drainage lengths
    • Light-weight build-up with high drainage capacity
    • Download Data Sheet

    Optigreen Protection and Storage Fleece RMS 300

    • Protects the roof membrane against damage and stores water
    • For inverted roofs, use the Optigreen Trickle Protection Mat Type RS instead of the RMS fleece
    • Download Data Sheet



To the top Print Recommend site

This site uses cookies. By continuing to browse this website withoutchanging the cookie settings of your Internet browser, you agree to our use of cookies. Data protection