Understanding Concrete Finishes: Broom Finished, Sealed, Polished, and Exposed Aggregate

May 24, 2025By ConstruNorth Inc
ConstruNorth Inc

Understanding Concrete Finishes

Concrete is a versatile and durable material used in various construction projects. One of its significant advantages is the ability to apply different finishes, each offering unique aesthetic and functional benefits. Whether you are a homeowner, contractor, or architect, understanding these finishes can help you make informed decisions for your next project.

Construction workers putting finishing touch on the freshly poured concrete

Broom Finished Concrete

Broom finished concrete is one of the most common types of concrete finishes. As the name suggests, this finish is achieved by dragging a broom across the surface of the wet concrete. The result is a textured surface that provides slip resistance, making it ideal for driveways, sidewalks, and patios.

While broom finished concrete is practical, it also offers an aesthetically pleasing look. The texture can vary based on the type of broom used and the technique applied, allowing for some customization. This finish is also cost-effective, making it a popular choice for large surface areas.

Sealed Concrete

Sealed concrete involves the application of a protective sealant over the concrete surface. This sealant enhances the durability of the concrete by protecting it from stains, chemicals, and moisture. Sealed concrete is often used in garages, basements, and warehouses.

Clear Sealing New Concrete Floor with Paint Roller

One of the significant benefits of sealed concrete is its enhanced appearance. The sealant can add a glossy finish to the surface, highlighting the natural beauty of the concrete. Additionally, there are various sealant options available that can add color or enhance existing colors.

Polished Concrete

Polished concrete is a sophisticated finish that involves mechanically grinding and polishing the concrete surface with diamond abrasives. This process creates a smooth, glossy finish that resembles polished stone or marble. It's commonly used in commercial spaces such as retail stores and office buildings.

Beyond aesthetics, polished concrete offers several practical benefits. It's incredibly durable and low maintenance since it doesn't require waxing or coatings. Additionally, polished concrete improves light reflectivity, enhancing ambient lighting within spaces.

polished concrete

Exposed Aggregate

Exposed aggregate is a decorative finish achieved by removing the outer layer of cement paste to reveal the underlying aggregates. This finish provides a unique look with its varied textures and colors, often used in walkways, pool decks, and architectural elements.

The texture of exposed aggregate offers excellent slip resistance, making it an ideal choice for outdoor applications. Furthermore, you can customize the appearance by selecting different types and sizes of aggregates to create distinct designs and patterns.

In conclusion, understanding the different types of concrete finishes can help you choose the right option for your project needs. Whether it's the practicality of broom finished concrete or the elegance of polished surfaces, each finish provides specific benefits tailored to various applications.