DESCRIPTION

KÖSTER NB Elastic Grey is a waterproof, elastic, wear resistant coating with excellent adhesion to all mineral substrates. The material can bridge cracks up to a width of 2 mm, is abrasion resistant, and resistant to corrosive liquids such as dilute acids and alkalis. It possesses a good UV-resistance.

AREAS OF APPLICATION

Coatings made of KÖSTER NB Elastic Grey are resistant to wear, elastic, and waterproof. Such coatings can be used for areas subject to mechanical stresses and for areas which might be subject to cracking such as waterproofing layers on terraces and balconies, as protection for concrete surfaces accessible for maintenance, as waterproofing for water tanks, swimming pools, and wet and damp rooms underneath tiles and ceramic coverings. If a waterproofing (2 layers) is made of KÖSTER NB Elastic Grey, the material can also be used as tile adhesive for tiles, (applied as a third layer). It is not suited for waterproofing against negative side water pressure and it is not suited for waterproofing roofs. 

PROPERTIES

• Crack bridging up to 2 mm. 
• Resistant to foot traffic. 
• Ideal for balconies and terraces under tile. 
• Suitable for moist surfaces. 
• Together with KÖSTER NB 1 Grey suitable for negative side waterproofing. 
• Cement based system. 
• Suitable for mineral substrates such as concrete and brick walls.

CONSUMPTION

approx. 2.6 - 5.1 kg/m² (depending on application) All consumptions refer to the total layer thickness. To level the substrate up to 5 mm, a scratch coat of KÖSTER NB Elastic Grey is recommended. 

PACKAGING

W 233 033 33 kg: powder - 25 kg bag, liquid - carton (2 x 4 kg foil bags)

Please note: KÖSTER Bauchemie AG products are available for sale only on the Estonian market.