Polished Concrete Finish (ZD)


Specification Details

8.5" x 11"
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03 35 43
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Polished Concrete Finish

Use this downloadable 3-part specification template to specify a polished concrete floor finish.

Comprehensive Guide to Polishing Concrete Floors

In the evolving landscape of architectural design, polished concrete floors have become synonymous with durability, elegance, and modern aesthetics. This comprehensive guide delves into the sophisticated process of transforming ordinary concrete into a polished masterpiece, suitable for both high-traffic commercial areas and stylish residential spaces.

The Process Behind Polished Concrete Flooring

Grinding and Aggregate Exposure

The journey to a polished concrete floor begins with precision grinding. Industrial-grade grinders methodically smooth the concrete surface, revealing the desired aggregate level. This crucial step, governed by the Concrete Polishing Council (CPC), varies from minimal (cream finish) to full exposure of the stone aggregate. The choice of exposure level plays a pivotal role in the floor’s final appearance, influencing both texture and color nuances.

Hardening and Densifying the Concrete

Following grinding, the concrete undergoes a transformational chemical process. A lithium or colloidal silicate-based hardener is applied in multiple coats. This penetrant not only fortifies the floor but also renders it dust-proof. The silicate component is absorbed into the concrete, initiating a reaction that enhances both the floor’s resilience and longevity. This hardening phase is essential in preparing the floor for the subsequent stages of polishing and sealing, ensuring that the final product is as durable as it is aesthetically pleasing.

Polishing and Gloss Level

The next phase involves polishing the surface with resin-bonded diamond abrasives. This step is tailored to achieve the desired gloss level, as defined by the CPC. The options range from a subtle, matte finish to a high-gloss sheen, each offering a distinct look and feel. This polishing not only enhances the floor’s visual appeal but also contributes to its longevity by creating a surface that is resistant to scratches and abrasions.

Adding Colors and Achieving the Perfect Sheen

Polished concrete is renowned for its customization potential. At this stage of the process, architects and designers have the opportunity to infuse the floor with various dye colorants. This addition allows for the creation of unique, vibrant surfaces that can complement or become a focal point in the space’s overall design. The final polishing step is crucial in achieving the desired gloss level, from a matte to a high gloss, aligning with the specific aesthetic goals of the project.

Benefits of Polished Concrete Flooring

  • Durability and Low Maintenance: Polished concrete floors are highly resilient against heavy foot traffic, stains, and abrasions, making them ideal for both industrial and residential settings. Their maintenance routine is straightforward, typically requiring only regular cleaning to maintain their luster and beauty.
  • Safety and Slip Resistance: While polished concrete is generally slip-resistant, especially when dry, the level of gloss can affect its slipperiness when wet. Therefore, it’s important to choose the right finish based on the specific requirements and safety considerations of the space.
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