Shallow pitched roof 5-25°

Shallow pitched green roof with Sedum 5-25°The structure of a shallow pitched green roof differs slightly from the structure of a flat roof. Because water runs off the roof more quickly, a thicker substrate layer is needed. The substrate gives the correct dose of nutrition to the plants and so ensures your green roof is indeed green. 



Shallow pitched green roof 5-25° specifications

 Pitch:                                                                    5-25°
 System structure thickness including Sedum:     90-120 mm
 Saturated weight:                                                 95-100 kg/m2


System structure

Green roof system structure – flat roof with Sedum

1 Sempergreen Sedum-mix blanket 30 mm

Pre-cultivated Sedum-mix blanket, consisting of
a mix of 10 to 12 different types of Sedum.
Vegetation percentage on delivery: at least 95%.

2 Roof garden substrate extensive 50 mm

Extensive roof garden 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.