W 221 025 - KÖSTER NB 1 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.

Consumption: approx. 2 - 4 kg/m²

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25 kg bag (W 221 025)



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