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KOSTER NB 1 Grey: Approved for use in drinking water environments

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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.

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New AIA Course Approval: Resinous Floor Coating Systems

KOSTER Resinous Floor Coating Systems course

is approved by the AIA.

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Featured Product

KOSTER Siloxan

KOSTER Siloxan is a façade waterproofing for cementitious and masonry building materials which is transparent after drying. It is especially suitable for brick and natural stone. It penetrates very deeply even into building materials with low porosity. The material is highly alkaline-resistant and may therefore be applied to fresh cementitious and masonry substrates.
KOSTER Siloxan protects buildings from driving and normal rain water; is water vapor permeable and resistant to frost and de-icing salts.



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