Product Details
microbiological resistance
EN12225
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Product Description
With CE marking, drainage board, perforated on both sides, made of high-impact polystyrene, height 25 mm, with lower and upper drainage openings for the unhindered water drainage of paved/wooden surfaces of roof areas and for gravel roof build-up. Water flow capacity at 2% roof slope is 0.52 l / m × s certified according to EN ISO 12958, microbiological resistance tested (EN 12225).
Product: DIADEM® DiaDrain-25H-UP
Producer’s certificate: A.P.P. Kft.
Website: www.diadem.com
Advantages
Lower and upper drainage openings -> fast drainage for water on the structure that don‘t need to be retained
Raised shoulders, unhindered drainage in the lower level of board
Negligible overlap loss -> economical installation
Increased contact area -> decreased suface pressure
DIADEM® build-up
- pavement
- FKU-5 cross spacer
- crushed stone bedding min. 3.0 cm
- DiaDrain-25H-UP perforated drainage board
- VLU-300 mechanical protection geotextile
- root-resistant waterproofing membrane
- additional layers
Application
DiaDrain-25H-UP leads water appearing in layer structure through the upper and lower drainage openings to the lower level of the drainage board where it can flow unhinderly to the roof outlet. Recommended use in areas where water retention is not needed at all; to hard- surface pedestrian areas.
Technical data
| Board size (mm): 202 × 110 × 2,5 |
| Weight (kg/m2): 1,36 |
| Water flow capacity EN ISO 12958 (l / mxs): at 2% : 0.52 • at 3%: 0.61 • at 5%: 0.81 (±5%) |
| Compressive strength unfilled (kN/m2): 510 (±10%) |
| Material: recycled high-impact polystyrene (HIPS) |
| Overlap loss: <4% |
| Storage: horizontally, for long-term storage protect from UV radiation |
| Installation: adjacent to each other or overlapped |




