Versatile mineral coating
For your information, the information provided is based on the available text and technical data. It is always recommended to consult the official product documentation or contact the manufacturer, KÖSTER BAUCHEMIE AG, for detailed and up-to-date information on the product and its application.
Sealing building structures from the inside and outside on the positive side
Restoration of buildings
Repair and restoration of old bituminous or mineral sealing layers
Rapid drying sealing requirements, especially at temperatures from +2 °C to +20 °C
Sealing under ceramic tiles in interior and exterior areas (load class W4-E)
Horizontal barrier under masonry walls (used as a DPC system)
Gluing of insulation panels on supporting walls from the positive side
Repairing a scratched product or fillet mortar by filling with kiln-dried silica sand
Areas of application:
Resistant to water pressure after 24 hours (water column of 10 m)
bridging cracks:
PG-FDP (24 hours, +4 Celsius): > 2.0 mm by 4.0 mm DFT
PG-MDS (24 hours): > 0.4 mm by 3.2 mm DFT
DIN EN 14891 (standard climate): > 3.5 mm by 2.0 mm DFT
DIN EN 14891 (-5 Celsius): > 1.7 mm by 2.2 mm DFT
Sealing capabilities:
Fast-curing, multi-functional, polymer-modified mineral coating
Waterproofing building structures inside and out
Resistant to rain shortly after application
Can be exposed to pressurized water after 24 hours
Viscoplastic and crack bridging
Bitumen free and UV stable
Radon proof
Can be used for gluing insulation boards
Can be painted and painted over base plaster
Technical data:
Color: dark gray
Solids: approx. 90% by weight
Maximum aggregate size: approx. 0.4 mm
Density (+20 degrees Celsius): 1.1 g/cm³
Application temperature: +2°C to +30°C
Working time: approx. 45 minutes
Resistant to rain after approx. 2 hours
Gluing of insulation panels: approx. 4 hours
Refill: approx. 16 hours
Radon-proof with a dry film thickness (DFT) of 3 mm
Water vapor diffusion resistance value (µ value): 3050
Properties:
KÖSTER NB 4000 is a multipurpose polymer-modified mineral coating used for sealing building structures both inside and outside. It combines the advantages of polymerized bitumen thick film waterproofing (PMBC) and flexible mineral waterproofing into one product. Below are some main features and technical details