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Tennant Coatings is now Sherwin-Williams® High Performance Flooring!
Starting January 2023, you’ll find our expanded line of products and systems at
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Tennant’s Eco-CRN (Chemical Resistant Novolac) is a high solids novolac-based secondary containment topping/lining that provides superior protection to concrete surfaces subjected to many acids and caustic solutions.

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Key Features of Eco-CRN

  • LEED – Credits available – Indoor Environmental Quality – 4.2 Low Emitting Materials, Paint & Coatings
  • Provides a highly acid and alkali resistant layer to existing coatings
  • Solvent-free
  • Cleans easily, helping save on detergent, labor and water


  • A tight coat primer must be applied prior to the Eco-CRN
  • Eco-CRN may be applied in one coat at 16-20 mils
  • For a smoother finish, apply two 10 mil coats and sand between coats
  • Colorants may be used with Eco-CRN, however refer to the product guide for additional information
Color and Size Options

  • Choose a clear coating or select from standard and custom colors
  • Eco-CRN – 5 gallon unit
    • Part number 9020757
    • Kit Includes:
      • Eco-CRN Part A (Qty 1)
      • Eco-CRN Part B (Qty 2)

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