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About This Item


Full Description

This Specification covers epoxy multi-layer (EM) polymer overlays for bridge and parking garage decks. Type EM polymer overlays incorporate a low-modulus epoxy binder and selected aggregate to produce a flexible, skid-resistant, and waterproof overlay. The overlay may be used for both new construction and rehabilitation. The overlay is placed by applying the neat epoxy binder to the surface and broadcasting aggregate. This Specification includes requirements for chemical components, aggregates, storage and handling, surface preparation, surface profile, mixing, placement, and finishing.



Section 1 - General

1.1 Scope
1.2 Reference Standards
1.3 Reference Organizations
1.4 Submittals
1.5 Polymer conditions
1.6 Labeling, storage, and handling of materials
1.7 Safety

Section 2 - Products

2.1 Epoxy binder
2.2 Aggregate
2.3 Polymer Overlay

Section 3 - Execution

3.1 Procedure qualification
3.2 Surface preparation
3.3 Mixing epoxy binder
3.4 Overlay application
3.5 Curing
3.6 Excess aggregate removal
3.7 Joints
3.8 Open to traffic

Foreword to checklists

Mandatory Requirements checklist

Submittal checklist


Document History

  1. ACI 548.8-19

    Construction Spec for Type EM (Epoxy Multi-Layer) Polymer Overlay for Bridge and Parking Garage Decks

    • Most Recent
  2. ACI 548.8-07


    Specification for Type EM (Epoxy Multi-Layer) Polymer Overlay for Bridge and Parking Garage Decks

    • Historical Version