A polymer modified mineral coating for the positive and negative side waterproofing of building structures. It is resistant to rain soon after its application and can be exposed to pressurized water after 24 hours of curing time. KÖSTER NB 4000 is elastic and crack bridging and suitable for waterproofing, for instance of basements, foundation plates, masonry and the repair of defect waterproofing layers.
Consumption: 3.1 -4.2 kg/m²;
