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 to pressurized water after 24 hours of curing time. KÖSTER NB 4000 is elastic and crack bridging and suitable for waterproofing in areas such as basements, foundation slabs, masonry, and the repair of defective waterproofing layers.
Consumption: Approx. 2.4 – 4.8 kg/m²