ACI launches decorative flatwork certifications

Sources: American Concrete Institute, Farmington Hills, Mich.; CP staff

The newest ACI certification program offerings are Decorative Concrete Flatwork Finisher and Decorative Concrete Flatwork Associate. Each requires candidates to complete a written exam and maintain appropriate ACI Concrete Flatwork Finisher or Technician certification. Finisher candidates also need 1,500 hours of work experience.

The exam covers basic knowledge of proper decorative flatwork installation and finishing procedures, addressing such topics as: 

  • Coloring. Applying and finishing dry-shake hardeners, finishing integral color;
  • Stamping. Form layout, squaring formwork, pattern layout, release agents, texturing tool, finishing for texture application;
  • Exposed finishes. Seeding aggregate, finishing for top surface retarder application, applying top surface retarders, washing the surface;
  • Stairs. Forming and stamped, exposed or colored finishes; and,
  • Cleaning/sealing. Applying curing compounds and sealers, surface preparation for sealers.

A Decorative Concrete Flatwork Associate can upgrade to Finisher at any time during the five-year certification period by fulfilling the work experience requirements. Certification is offered through ACI’s global network of 120-plus sponsoring groups in local concrete communities. It will also be available at the American Society of Concrete Contractors annual conference, September 20-23, 2018, in Charlotte, N.C. —


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