Since April 2018 KÖSTER offers the mineral multi-functional thick film sealant in a revised and improved formulation. KÖSTER NB 4000 is a two-component, mineral, flexible, polymermodified thick film sealant (FPD) with fast rain resistance, can be plastered over, and bridges cracks.
The advantages of the new formulation are:
The material is now supplied in 25 kg combipackaging. The technical data sheet has been completely revised and supplemented in accordance with DIN 18533.
Pls find the current product flyer here.