Differences Between Microcement and Polished Concrete

Microcement and polished concrete are popular flooring options that offer durable, attractive finishes. Despite their similarities, these materials have distinct characteristics, installation processes, and applications.

Here’s a detailed comparison to help you understand their differences:

 

1. Composition and Structure

 

Microcement:

Composition: Microcement is a blend of cement, polymers, aggregates, and pigments. It is applied as a thin coating, usually 2-3 millimetres thick, over various substrates.

Structure: It is a layered material that can be applied over existing surfaces like concrete, tile, or wood.

 

Polished Concrete:

Composition: Polished concrete is made from traditional concrete, which consists of cement, aggregates (such as gravel or crushed stone), and water.

Structure: It is a solid, monolithic material that involves polishing the surface of a concrete slab to achieve a smooth, shiny finish.

 

2. Application Process

 

Microcement:

Surface Preparation: The existing surface is cleaned, repaired, and primed.

Layering: Microcement is applied in several thin layers with a trowel, with each layer sanded and allowed to dry before the next is added.

Sealing: A protective sealer is applied to enhance durability and water resistance.

 

Polished Concrete:

Initial Pouring: A new concrete slab is poured, or an existing slab is used.

Grinding: The surface is ground down using progressively finer diamond abrasives.

Polishing: The concrete is polished to the desired level of sheen, often involving multiple passes.

Sealing: A densifier and sealant are applied to protect the surface and enhance shine

 

3. Thickness and Weight

 

Microcement:

Thickness: Typically, 2-3 millimetres, adding minimal height to the existing surface.

Weight: Very light compared to traditional concrete, making it suitable for areas where added weight is a concern.

 

Polished Concrete:

Thickness: The thickness depends on the depth of the concrete slab, usually several inches.

Weight: Heavy, due to the substantial volume of concrete used

 

4. Flexibility and Versatility

 

Microcement:

Flexibility: Highly flexible and can be applied over a variety of surfaces, including floors, walls, countertops, and furniture.

Versatility: Available in a wide range of colours and finishes, suitable for both interior and exterior applications.

 

Polished Concrete:

Flexibility: Limited to horizontal surfaces like floors and countertops.

Versatility: Primarily available in a natural concrete colour, though dyes and stains can be used to add colour. Best suited for large, open spaces

 

5. Durability and Maintenance

Microcement:

Durability: Resistant to wear, scratches, and water when properly sealed.

Maintenance: Low maintenance, requiring regular cleaning with mild detergents and periodic resealing to maintain its appearance.

 

Polished Concrete:

Durability: Extremely durable and resistant to heavy traffic and impacts. Polished concrete is also highly resistant to water and stains when sealed.

Maintenance: Low maintenance, with occasional resealing and regular cleaning required.

 

6. Aesthetic Appeal

 

Microcement:

Finish: Can achieve a variety of textures and finishes, from smooth and polished to rough and rustic.

Customization: Offers extensive customization options with different colours, patterns, and application techniques.

 

Polished Concrete:

Finish: Typically, smooth and glossy, with a natural, industrial look.

Customization: Limited to the natural variations in concrete and the use of stains or dyes for additional colour.

 

7. Installation Time and Cost

 

Microcement:

Installation Time: Faster installation since it involves applying thin layers over existing surfaces.

Cost: Generally, more cost-effective for renovations due to the minimal preparation required.

 

Polished Concrete:

Installation Time: Longer installation time, especially if a new slab needs to be poured and cured.

Cost: Can be more expensive due to the labour-intensive grinding and polishing process.

 

 

Conclusion

Microcement and polished concrete are both excellent choices for durable, stylish surfaces, but they serve different needs and applications. Microcement is ideal for projects requiring versatility, lightweight applications, and extensive customization, while polished concrete is perfect for large, open spaces that benefit from its durability and natural industrial aesthetic. Understanding these differences can help you choose the right material for your specific project requirements.