ACI Decorative Flatwork study materials
ACI Decorative Flatwork study resources

ACI Decorative Flatwork case studies

ACI Decorative Flatwork · Put your knowledge to work in context.

The Decorative Concrete Flatwork Finisher and Associate credential is one of the construction and specialist certification programs listed by ACI under its Concrete Installation and Finishing category, alongside the Concrete Flatwork Associate, Finisher, and Advanced Finisher program and the Specialty Commercial/Industrial Concrete Flatwork Finisher program. ACI describes its certification programs as designed to form a minimum qualification for personnel employed within the concrete construction industry, and states that certification examinations and optional training courses are conducted through an international network of over 135 sponsoring groups. This page is an independent study resource; it is not affiliated with, endorsed by, or sponsored by ACI. The credential targets workers who place, finish, and detail decorative flatwork - stamped, colored, exposed-aggregate, and similar architectural surfaces - where appearance and durability both matter. The ACI Decorative Flatwork case studies are 5 cases and about 1,864 words.

1

Stamped Patio Delamination After a Cool Morning Pour

A crew places a 900 sq ft stamped patio on a 6-in. slab over a vapor barrier.

457 words, about 2 min
2

Acid Stain Mottling on a Power-Troweled Warehouse Floor

A 5000 sq ft interior slab is power-troweled to a hard, burnished finish. The owner wants a mottled amber acid stain.

370 words, about 2 min
3

Cold-Weather Stamp Job With Early Freezing

A contractor places a 1200 sq ft stamped walkway and patio in late November. Air temp is 38 F and falling; the mix arrives at 50 F with no accelerator.

332 words, about 2 min
4

Saw-Cut Joint Layout Conflicts With a Stamped Border

A 30 ft by 40 ft stamped patio is placed as one pour with a decorative border. The contractor plans control joints at 10 ft on center, but the border band is 18 in.

363 words, about 2 min
5

Sealer Blushing and Bubbling on a Humid Day

A crew applies a solvent-based acrylic sealer to a colored, stamped driveway on a 75 F day with 80% RH. They apply two coats back-to-back, about 20 minutes apart, with a sprayer and roller.

342 words, about 2 min