Flat roof

Flat roofs are ideal as green roof. A standard flat roof with a gradient of zero to five degrees is by default water-retaining. You can read more about the system structure for a flat green roof below.
 

Flat green roof 0-5° specifications

 Pitch:                                                                    0-5°
 System structure thickness including Sedum:     80-110 mm
 Saturated weight:                                                 80-85 kg/m2

^{System structure}

^{1 Sempergreen Sedum-mix blanket 30 mm}

^{Pre-cultivated Sedum-mix blanket, consisting of a mix of 6 to 8 different types of Sedum. Vegetation percentage on delivery: at least 95%.}

^{2 Roof garden substrate extensive 40 mm}

^{Extensive substrate consisting of lava, pumice, and compost. Produced in accordance with FLL guidelines.}

^{3 Drainage including filterfleece 10-40 mm}

^{The thickness of the drainage layer will depend on the roof structure and the water storage capacity required, depending on the climate.}

Download system structure