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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
KOSTER KB-Flex 200 is a permanently plastic waterproofing compound for sealing pipe penetrations, cavities, etc., against moisture and/or pressurized water. It remains permanently pliable and adheres very well to dry or slightly moist substrates.