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Smart systems for green and utility roofs

High-performance, CE-marked drainage system for podium decks with limited fall, or podium decks where extensive drainage lengths are required. The drainage system prevents the build-up of hydrostatic pressure on the waterproofing membrane and protects it against mechanical loads.

ND 820 Drainagesysteem
approx. 20 m x 1.25 m
approx. 25 m², rol
approx. 1,267 g/m²
approx. 26.5 mm
approx. 500 kPa
recycled polystyrene (HIPS)
polypropylene (PP) and polyethylene (PE)
polypropylene (PP)
approx. 14.11 l/(s.m)
approx. 2.09 l/(s.m)
NEN EN 13252


  • Nophadrain Podium Deck System - roof with limited fall