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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 Resinous Floor Coating Systems course
is approved by the AIA.... More
KOSTER Sewer and Shaft Mortar is a water tight, fast curing and fast setting restoration mortar for sewers and shafts. KOSTER Sewer and Shaft Mortar is fiber reinforced and develops a high compressive strength.