system installation.root barrier is loose laid.drainage layer is rolled out(geotextile layer facing up).water retention layer is rooled out (either side facing up).pre-cultivated mat is laid out.place gravel on open spaces over drainage layer between edges of roof and bee-hive drains
.root barrier is loose laid
.drainage layer is rolled out(geotextile layer facing up)
.water retention layer is rooled out (either side facing up)
.pre-cultivated mat is laid out
.place gravel on open spaces over drainage layer between edges of roof and bee-hive drains