Optigruen: System build-up

Garden Roof 0 - 5°

Multi-layered construction design with drainage and water storage element and triangle water conduit system.
Intensive roof greening.
Additional living space thanks to the usable roof landscape.
Perennial beds, recreational lawns, shrubbery, ponds and seating areas etc.
Automatic irrigation possible.
Urban Farming.

Ecological Value
Maintenance costs

Weight*	from 320 kg/m² or 3,2 kN/m² *
Build-up depth	from 26 cm
Roof pitch	0 – 5°
Vegetation form	Perennial plants-shrubs-trees-lawn areas
Water retention	70 - 95 %/year
Discharge coefficient	C_s = 0,2
Water storage	approx. 110 - 160 l/m²

* ^{Weight specifications refer to saturated conditions; dry weight is approximately 60-70 % of the saturated weight.}

A substrate with high water storage capacity, good water permeability and good air porosity, tailored to multi-layered intensive systems.

Prevents fine particles from forming sludge in the drainage layer; high water permeability

Rapid discharge of surplus water
Prevents accumulation of water on roofs with 0° drainage falls and long drainage runs
Lightweight build-up with high drainage capacity and good drainage performance
Filled with Perl drainage material

(not shown in the drawing)

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