Specifications

Polished Concrete is generally found under 03-3550 – Polished Concrete Floors under Cast In Place Concrete, but has also been speced under 09-6200 Specialty Flooring. To customize and download a CSI Format spec tailored to your project, please login and go to Build-A-Spec under Member Resources.

Preferred Mix Design Specs

1. 3500 psi minimum
2. Pozzolans - No more than 15% cement replacement is recommended
3. Admixtures - in moderation, admixtures are ok for use with polished concrete. Superplasticizers will require removal with a stripper before attempting to grind and polish

Preferred Flatwork Finishing Specs

• Preferred Floor Flatness (FF) of 50
• Preferred Floor Levelness (FL) of 35
• Alternative to FF/FL is the strike-off method:
  • 0" - 1/8" is favorable
  • 1/8" - 1/4" is wavy/unfavorable
• Bull-floated, smooth, pan-finished floor from edge to edge, with no rough areas
• Concrete Compressive Strength: 3,500psi to 5,000psi
• Lightweight Concrete: Not allowed if aggregate exposure is required.
• Concrete Curing: Minimum 8 days water cured or dissipating curing compound applied.
• Laser screeding is good for ensuring flatness.