Koster NB 4000 is a polymer modified, mineral hybrid coating for the internal and external waterproofing of building structures.
Koster NB 4000 cures reliably and quickly in ambient conditions, meaning minimum down time for application.
NB 4000 can be applied at a temperature of + 2º C upwards, is resistant to rain after as little as 2 hours and can be exposed to pressurized water after only 24 hours of curing time.
Koster NB 4000 is elastic, has excellent crack bridging capabilities and can even be applied directly to slightly moist of bitumen contaminated substrates.
Koster NB 4000 can be used in the following fields of application: basements, foundation plates, masonry, buried roofs, podium decks, green roofs and retaining walls and the repair of mineral waterproofing layers.
BUILDING PRODUCT LIBRARY - LATEST BROCHURES
BUILDING PRODUCT DIRECTORY - LATEST PRODUCTS