Diamassive-25
High-strength recycled polystyrene water retention and drainage system suitable for green roofs with heavy-duty construction or vehicle routing (eg parking areas). The controlled flow of water and the increased retention capacity are due to the special stepped design.
	
	
			Category: Drainage boards	
				
	
	
						
													
								Indicative section							
											
					
				
Layer components from top to bottom:
- Paving
 - Sand bedding
 - Filter sheet VLF-200
 - Grit bedding 4-11mm
 - Drainage board Diamassive-25
 - Protection layer VLU-500
 - Anti-root membrane FLW-400
 - Building infrastructure
 
													
								Technical leaflet							
											
					
				
													
								Specifications							
											
					
				| Board size (mm) | 1960x900x25 | 
| Water retention capacity (l/m2) | 4.3 | 
| Overlap loss | 4% | 
| In-fill volume (l/m2) | 11.8 | 
| Weight (kg/m2) | 2.00 | 
| Fire resistance classification (EN 13501-5) | Β2 | 
| Compressive strength (KN/m2) | 827.9 (unfilled) 1.214,4 (filled) | 
| Material | Recycled high impact polystyrene (HIPS) | 
| Water flow capacity (ΕΝ ΙSΟ 12958) | Κλίση 1%=0.47; 2%=0.68, 3%=0.84, 5%=1.11 | 
| Storage | horizontal , for long term storage protect from UV radiation | 
+30 210 2515005
info(@)prasinistegi.gr
	
				
				
		
			
		
			
