NB I - Grey
Watertight (>130 m water head), mineral surface coating with subsequently crystallising agents. Waterproofing layers made of KÖSTER NB 1 Grey possess excellent pressure and abrasion resistance. Approved by the building authorities and tested in accordance to the potable water guidelines. For waterproofing of areas in new buildings and in restoration.
Silicate Mortar
2-component, highly chemical resistant special mortar on silicate basis for vertical and horizontal areas, e.g. in sewage works or in case of high chemical stresses. Field of application from pH 0 to pH 7.