Product Details
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Product Description
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 1,03 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
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
- Increased contact area -> decreased suface pressure
DIADEM® build-up
- DiaMatPRO sedum mat
- extensive substrat
- VLF-150 separation and filter geotextile
- DiaDrain-40H-DeReT perforated drainage board
- VLU-300 mechanical protection geotextile
- root-resistant waterproofing membrane
- additional layer
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.
Technical data
Board size (mm): 2040 × 1040 × 40
Overlap loss: ~5%
Fill-up volume (l / m2): 22.75
Weight (kg / m2): 1.96
Compressive strength unfilled (kN / m²): 230 (± 10%)
Material: recycled high-impact polystyrene (HIPS)
Water flow capacity EN ISO 12958 (l / mxs): at 1%: 0.72 • at 2%: 1.03 • at 3%: 1.25 • at 5%: 1.69 (± 5%)
Storage: horizontally, for long-term storage protect from UV radiation
Installation: adjacent to each other or overlapped
