ND 4+1 Drainage System
High-performance, CE-marked drainage system with a water reservoir for roofs planted with extensive or intensive vegetation. The drainage system prevents the build-up of hydrostatic pressure on the waterproofing membrane, protects it against mechanical loads and ensures that vapour is able to evaporate freely from the XPS insulation on an inverted roof. It's a 3-in-1 product (on roll) consisting of a filter geotextile and a vapour-permeable geotextile that are glued (not thermally bonded) to the dimpled core.
| Product | ND 4+1 Drainage System |
|---|---|
| Dimensions | approx. 32 m x 1.25 m |
| Packaging | approx. 40 m², roll |
| Weight | approx. 1,010 g/m² |
| Construction height | approx. 13.5 mm |
| Compressive strength | approx. 700 kPa |
| Material dimpled sheet | recycled polystyrene (HIPS) |
| Material geotextile filter | polypropylene (PP) |
| Materiaal vapour-permeable geotextile | polypropylene (PP) en polyethylene (PE) |
| Perforations/m² | approx. 1,540, Ø 6.3 mm |
| Water reservoir | approx. 3.6 l/m² |
| Drainagecapacity i = 1 (20 kPa) | approx. 5.60 l/(m.s) |
| Drainagecapacity 2 % (20 kPa) | approx. 0.68 l/(m.s) |
| Dimensions | approx. 32 m x 1.25 m |
| Packaging | approx. 40 m², roll |
| Weight | approx. 1,010 g/m² |
| Construction height | approx. 13.5 mm |
| Compressive strength | approx. 700 kPa |
| Material dimpled sheet | recycled polystyrene (HIPS) |
| Material geotextile filter | polypropylene (PP) |
| Materiaal vapour-permeable geotextile | polypropylene (PP) en polyethylene (PE) |
| Perforations/m² | approx. 1,540, Ø 6.3 mm |
| Water reservoir | approx. 3.6 l/m² |
| Drainagecapacity i = 1 (20 kPa) | approx. 5.60 l/(m.s) |
| Drainagecapacity 2 % (20 kPa) | approx. 0.68 l/(m.s) |
Applications
- Nophadrain Extensive Green Roof System
- Nophadrain Extensive Green Roof System - inverted roof constructions
- Nophadrain Intensive Green Roof System
- Nophadrain Intensief Green Roof System - inverted roof constructions