Recommended build-up heights and loading guide

1. Extensive green roof
constructions

2. Intensive green roof
constructions

a) Extensive monolayer construction

a) Drainage layer

Product	Build-up height in cm	Load in kg per cm build-up/m²
Vulkamineral 0-12 RAL- certified	6-10	ca. 12,5
Vulkaplus extensiv "E"	6-12	ca 13,5

Product

Build-up
height in cm

Load in kg
per cm build-up/ m²

Lavadrän 2-12/8-16
RAL- certified

4-15

ca. 11,5

Vulkamineral 0-12

4-15

ca.12,5

b) Extensive multilayer construction

b) Vegetation layer

b.1) Drainage layer

b.1) Monolayer construction

Product	Build-up height in cm	Load in kg per cm Build-up/m²
Lavadrän RAl-certified	4-6	ca. 11,5
Vulkamineral 0-12	4-6	ca 12,5

Product

Build-up
height in cm

Load in kg
per cm build-up/ m²

Vulkaplus intensiv
0-12 / 0-16
RAL-certified

15-50

14,0-16,0

Vulkaplant

15-50

ca. 16,0

b.2) Vegetation layer

b.2) Multilayer construction

Product

Build-up height in cm

Load in kg
per cm build-up/m²

Vulkaplus
extensiv 0-12
RAL-certified

6-15

ca. 13,5

Product

Build-up
height in cm

Load in kg
per cm build-up/ m²

Vulkamineral 0-12
RAL- certified
(lower substrate)

Substrate
(not including upper layer)

ca. 12,5

Vulkaplus intensiv
0-12/ 0-16
RAL-gütegesichert
(upper substrate)

30-40

14,0-16,0

The required thickness of the vegetation layer is determined by the diameter of the root ball of the plants. Recommended is a vegetation layer height that is 1.3 times root ball diameter.