Koster NB 1 Grey

Koster NB 1 Grey Crystallizing mineral waterproofing slurry system for sealing against pressurized water (> 13 bar). Koster NB 1 is a mineral coated waterproofing slurry containing crystallising and capillary-plugging agents. It can be used for waterproofing against ground moisture and for non-pressurized and pressurized water. NB 1 Grey is characterized by its excellent resistance to pressure and abrasion as well as chemical and sulphate resistance.