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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
Protects fresh bitumen coatings against rain. KOSTER BE Rainproof is a liquid accelerator forming a water-repellent film on bitumen coatings.