Advantages
• Lower and upper openings for water drainage fast water drainage of excess storage water
• Very good drainage properties unhindered water drainage between retention element and sealing membrane
• Negligible overlap loss economical installation
DIADEM® build-up
• Vegetation
• Growing media
• VLF-150/200filter layer
• DiaDrain-40H-DeReTDiaDrain-DeReT
• VLU-300/VLS-500 mechanical protection layer
• Root resistant waterproofing membraine
• Roof construction
Application
Drainage panel with flow retardation and residual water storage made of recycled, impact-resistant polystyrene, 40 mm high, graduated barrier shape, with recessed evaporation openings, with drainage openings at the bottom and with water channel system at the bottom.
Specification
Drainage board, perforated on both sides, made of high-impact polystyrene, height 40 mm, with lower and upper drainage openings of paved/wooden surfaces of roof areas and for gravel roof build-up. Water flow capacity at 2% roof slope is 1,01 l/m×s certified according to EN ISO 12958, microbiological resistance tested (EN 12225).
Product: DIADEM® DiaDrain-40H-DeReT
Producer’s certificate: A.P.P. Kft.
Website: www.diadem.com