Studded drainage membrane DIADRAIN-25H
polystyrenewater storagegreen roof drainage

studded drainage membrane
studded drainage membrane
studded drainage membrane
studded drainage membrane
studded drainage membrane
studded drainage membrane
studded drainage membrane
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Characteristics

Type
studded
Material
polystyrene
Function
green roof drainage, water storage, water retention
Applications
for green roofs, flat roof, for roof terraces
Other characteristics
made from recycled materials

Description

High rainwater retention→ca. nearly 12 l/m2 of water storage capacity Delayed rainwater runoff→stepped barriers avoid overuse of wastewater channel system Runoff reference value (C) 0,29→water delay over 70% according to FLL1 Microbiological resistance test (EN 12225)→stepped barriers avoid overuse of wastewater channel system Recessed evaporation vents→unobstructed aeration Negligible overlap loss→economical installation and cost savings Increased contact area→decreased surface pressure Vegetation Growing media VLF 150/200 filter layer DiaDrain-25H VLU 300/500 mechanical protection layer Root resistant waterproofing membraine Roof construction Flow-delay retention board for extensive and semi-intensive greenroofs and hard- surface pedestrian areas, made of recycled highimpact polystyrene (HIPS). The flow-delay and the retention functions are provided by the stepped barrier design. Flow-delay retention board with CE marking, made of recycled high-impact polystyrene, 25 mm high, stepped barrier form, with deep-drawn recessed evaporation vents and water channel system on the underside, compressive strength 322 kN/m2 (unfilled), water flow capacity on 2% roof slope 0.57 l/m*s certified according to EN ISO 12958, water storage capacity 11.8 l/m2, runoff reference value according to FLL: 0,291, microbiological resistance tested (EN 12225), fire resistance classification “BROOF(t2)” (EN 13501-5), laid.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.