10/07/2026
KÖSTER NB Super Elastik WHITE is a two-component, cement-based waterproofing mortar that provides both aesthetic and technical advantages thanks to its fully elastic structure. With its white formulation, it offers high resistance against UV rays and provides long-lasting performance in outdoor applications. Its elastic structure adapts to structural movements and eliminates the risk of cracking.
Structure: Two-component system (cement + liquid polymer additive)
Color: White – high UV resistance
Flexibility: Fully elastic with crack-bridging capability
Waterproofing: Provides complete water tightness
Application Area: Interior and exterior waterproofing applications
Application Method: Applied by trowel, brush, or spraying method
Thickness: Two coats with a recommended total thickness of 3 mm
UV Resistant: No yellowing or performance loss occurs under sunlight exposure
Fully Elastic Structure: Provides flexibility against cracking on moving surfaces
Surface Compatibility: Strong adhesion to surfaces such as concrete, screed, and plaster
Double-Sided Protection: Resistant to both positive and negative water pressure
Aesthetic Appearance: Provides an elegant and reflective surface with its white color
Suitable for Drinking Water Contact: Suitable for applications involving contact with drinking water
Terraces and balconies
Roof substructure waterproofing applications
Bathrooms, showers, and other wet areas
Water tanks and swimming pools
Foundations and retaining walls
Outdoor areas exposed to sunlight
Drinking water tanks
The surface must be cleaned from dust, dirt, oil, and similar contaminants and should be left damp.
The two components are mixed with a low-speed mixer until a homogeneous consistency is achieved.
The first coat is applied horizontally with a brush or trowel, and the second coat is applied vertically.
A waiting period of at least 4–6 hours should be allowed between coats.
The surface should be protected from direct sunlight and excessive wind during the curing period.
Yes. Thanks to its special white formulation, it provides superior resistance against sunlight.
Yes. It can be safely used in areas such as drinking water tanks.
It can be applied by trowel, brush, or spraying method.
Yes. It provides effective protection against both positive and negative water pressure.
KÖSTER NB Super Elastik WHITE provides long-lasting, reliable, and aesthetically preserved waterproofing performance, especially in outdoor areas and surfaces exposed to water, thanks to its elastic structure, UV resistance, and elegant white appearance.
