MasterFinish EA: Water-based, top surface retarder for exposed-aggregate concrete

Formerly: MBT EAC-S

How does MasterFinish EA work?

MasterFinish EA retarder is a top surface chemical retarder which provides a simple, economical method of exposing aggregates for freshly placed concrete flat work. MasterFinish EA retarder allows for a range of textures and colorful surfaces for sidewalks, terraces, promenades and steps. MasterFinish EA retarder can also be used to create construction joints.

Recommended uses:

  • Sidewalks
  • Driveways
  • Terraces
  • Promenades
  • Steps
  • Construction joints
  • Face-up exposed aggregate applications
  • Fresh concrete

What are the unique features of MasterFinish EA?

  • Etch retention in temperatures up to 110 °F (43 °C)
  • Ease of application
  • Color-coded
  • Two strengths available (Regular and Deep)
  • Water-based

What are the benefits of MasterFinish EA?

  • Suitable for a wide variety of environments
  • Excellent top surface results
  • Easy identification
  • Suitable for various surface profiles
  • No solvent, no odor; no fume or flammability issues​

Direct contact

Master Builders Solutions Technical Support

Admixture Systems


Product Certifications

Generate a free certificate of conformance for a specific BASF construction product.

Related Literature

MasterFinish EA Data Sheet

pdf (74.99 Kb)

MasterFinish EA Data Sheet (French)

pdf (80.10 Kb)