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KOSTER receives Starnet 2017 Silver Design Award for use of KOSTER VAP I 2000 in the Village Square Branch Library located in San Jose, CA.... More
KOSTER NB 1 Grey has been approved for use in drinking water environments according to NSF /ANSI 61. The certification applies to contact with cold water in tanks 2000 gal or larger.... More
Watertight (> 400 ft water head) cementitious waterproofing with subsequently crystallizing agents. Suitable for positive side and negative side waterproofing. A waterproofing made of KOSTER NB 1 Grey possesses excellent pressure and abrasion resistance. For area waterproofing in new construction and restoration, e.g. waterproofing of basements and tanks.
KOSTER NB 1 Grey is Certified to NSF/ANSI 61