KÖSTER NB 4000 is a polymer modified, mineral coating for waterproofing building structures inside and outside. It is resistant to rain soon after its application and can be exposed after 24 hours of curing time to pressurized water. It is elastic and crack bridging.
Consumption: Approx. 3.0 -4.5 kg/m²; Dry layer thickness 3.0 mm: Wet layer thickness 3.2 mm; consumption: 3 kg / m² Dry layer thickness 4.0 mm: Wet layer thickness 4.5 mm; consumption: 4,3 kg / m²