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West System 422 Barrier Coat Additive

  • Applications: Suitable for West Systems and All Epoxy and Polyester Resins
  • Function: Improves Moisture-Exclusion / Abrasion Resistance, Prevents Blisters
  • Container Size: 16 oz, Color: Cures to Light Gray
  • Item #: 
    West System
    Model #: 


    Shipping Weight: 
    1.30 Lbs.
    List Price: 
    Reg. Price:
    Sale Price:
    Status:  null In Stock

    Quantity : 


    Warning This product ships ground only


    • West System 422 Barrier Coat Additive is a proprietary blend designed to improve cured epoxy's moisture exclusion effectiveness
    • Improves cured epoxy's moisture-exclusion effectiveness
    • Increases the epoxy's abrasion resistance
    • Applications: Suitable for West Systems and all epoxy and polyester resins
    • Function: barrier coating additive to help prevent gelcoat blistering in polyester fiberglass boat bulls
    • Container Size: 16 oz
    • Color: Cures to Light Gray

    Application Note:

    • Add to mixed resin/hardener at the rate of 15 to 20% by volume or 3 tablespoons per 8 fl oz of epoxy
    • 16 oz can of 422 will modify approximately half a gallon of mixed epoxy


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