How to Build a Concrete Benchtop: Kitchen Design Ideas

How to Build a Concrete Benchtop: Kitchen Design Ideas

Are you looking to add a modern touch to your kitchen? Building a concrete benchtop is a great way to achieve a sleek and contemporary look while also adding durability and functionality to your space. In this article, we will provide step-by-step instructions on how to build your own concrete benchtop, as well as share some kitchen design ideas to inspire your project. Let’s get started on creating the kitchen of your dreams!

Choosing the Right Materials

When it comes to building a concrete benchtop for your kitchen, selecting the right materials is crucial for a successful project. The materials you choose will not only affect the durability and functionality of your benchtop, but also its overall aesthetic appeal. Here are some key factors to consider when choosing the right materials for your concrete benchtop:

Selecting the Type of Concrete

One of the most important decisions you’ll need to make when building a concrete benchtop is selecting the type of concrete to use. There are several different types of concrete available, each with its own unique characteristics and benefits. Some popular options include:

  • Regular concrete: This is the most basic type of concrete and is suitable for most benchtop applications.
  • Glass fiber reinforced concrete (GFRC): This type of concrete is lighter and more flexible than regular concrete, making it ideal for larger or more complex benchtop designs.
  • Ultra-high performance concrete (UHPC): This is an advanced type of concrete that offers exceptional strength and durability, making it perfect for high-traffic kitchen environments.

Deciding on Reinforcement Options

In addition to selecting the right type of concrete, you’ll also need to decide on the reinforcement options for your benchtop. Reinforcement is essential for ensuring the structural integrity and longevity of your concrete benchtop. Some common reinforcement options include:

  • Steel rebar: This is a popular choice for reinforcing concrete benchtops, as it provides excellent strength and stability.
  • Fiberglass mesh: This lightweight and corrosion-resistant material can be used to reinforce concrete benchtops, particularly those with thinner or more intricate designs.
  • Wire mesh: This flexible and cost-effective option is suitable for smaller benchtop projects or those with less demanding structural requirements.

By carefully considering these materials and reinforcement options, you can create a beautiful and durable concrete benchtop that will enhance the overall design of your kitchen.

Preparing the Workspace

Before you begin building a concrete benchtop for your kitchen, it’s important to prepare your workspace to ensure a smooth and successful project. Here are a few steps to help you get started:

Measuring and Marking the Area

The first step in building a concrete benchtop is to accurately measure and mark the area where it will be installed. This will ensure that your benchtop fits perfectly and looks seamless in your kitchen. Here are some tips for measuring and marking the area:

  1. Use a tape measure to measure the length and width of the space where the benchtop will be installed.
  2. Mark the area with chalk or a pencil to outline where the benchtop will go.
  3. Double check your measurements to ensure accuracy before moving on to the next step.

Gathering Necessary Tools and Supplies

Once you have measured and marked the area for your concrete benchtop, it’s time to gather the necessary tools and supplies for the project. Here is a list of items you will need:

  1. Concrete mix
  2. Plywood or melamine board for the mold
  3. Reinforcement mesh
  4. Concrete sealer
  5. Trowel
  6. Concrete mixer or mixing tub
  7. Screws and drill
  8. Level
  9. Rubber gloves and safety glasses

By preparing your workspace, measuring and marking the area accurately, and gathering the necessary tools and supplies, you will be on your way to building a beautiful concrete benchtop for your kitchen.

Mixing and Pouring the Concrete

When building a concrete benchtop for your kitchen, it is important to start with the right mix of concrete. You can purchase pre-mixed concrete from your local hardware store, or you can mix your own using cement, sand, and water.

To create the concrete mix, combine one part cement, two parts sand, and three parts gravel in a wheelbarrow or mixing tray. Add water gradually while mixing until you achieve a thick, workable consistency.

Once your concrete mix is ready, it’s time to pour it onto the prepared surface. Use a trowel to spread the concrete evenly over the benchtop area, making sure to fill any gaps or corners.

Creating the Concrete Mix

When creating the concrete mix for your benchtop, it’s important to consider the strength and durability of the final product. Adding a bonding agent or acrylic fortifier to the mix can help improve the strength and adhesion of the concrete.

For a smoother finish, you can also add a small amount of powdered polymer to the mix. This will help reduce the porosity of the concrete and create a more polished look.

Pouring and Leveling the Concrete

After mixing the concrete, it’s time to pour it onto the prepared surface. Work quickly to spread the concrete evenly over the benchtop area, using a trowel to smooth out any rough patches or air bubbles.

To ensure a level surface, use a straight edge or a level to guide you as you spread the concrete. Make sure to check for any low spots or uneven areas and add more concrete as needed to create a smooth, level finish.

Adding Color or Texture (Optional)

If you want to add a pop of color or texture to your concrete benchtop, there are a few options to consider. You can mix in a concrete dye or pigment to the mix before pouring to create a colored surface.

For a textured finish, you can add decorative aggregates or stones to the surface of the wet concrete. Press these materials into the concrete with a trowel or float to create a unique, textured look.

Overall, mixing and pouring the concrete for your benchtop is a critical step in the construction process. By following these tips and techniques, you can create a durable and stylish concrete benchtop for your kitchen.

Finishing and Sealing the Benchtop

After you have poured and cured your concrete benchtop, the next step is to finish and seal it to ensure its durability and longevity in your kitchen.

Smoothing and Polishing the Surface

To achieve a smooth and polished surface on your concrete benchtop, you will need to use a series of diamond polishing pads with varying grit levels. Start with a lower grit pad to remove any imperfections or rough areas on the surface. Gradually work your way up to higher grit pads to achieve a smooth and shiny finish. This process may take some time and effort, but the end result will be a beautifully polished concrete benchtop that adds a touch of elegance to your kitchen.

Applying a Sealant for Protection

Once you have achieved the desired smoothness and polish on your concrete benchtop, it is essential to apply a sealant to protect the surface from stains, scratches, and other damages. There are various types of sealants available, including topical sealers, penetrating sealers, and decorative sealers. Choose a sealant that best suits your needs and follow the manufacturer’s instructions for application. Apply multiple coats of sealant to ensure maximum protection and longevity for your concrete benchtop.

By following these steps for finishing and sealing your concrete benchtop, you can create a stunning focal point in your kitchen that is not only beautiful but also durable and long-lasting.

Incorporating the Benchtop into Kitchen Design

When building a concrete benchtop for your kitchen, it’s essential to seamlessly incorporate it into the overall design of the space. This involves selecting complementary materials and colors, ensuring proper installation with cabinetry, and adding personal touches and decor to enhance the aesthetic.

Choosing Complementary Materials and Colors

To ensure that your concrete benchtop blends harmoniously with the rest of your kitchen design, consider choosing complementary materials and colors. For example, if you have dark wood cabinetry, a lighter shade of concrete may provide a striking contrast. Additionally, you can incorporate elements such as stainless steel appliances or marble accents to enhance the overall aesthetic.

Installing the Benchtop with Cabinetry

Proper installation of the concrete benchtop is crucial to ensure its longevity and functionality in your kitchen. Work closely with your contractor to ensure that the benchtop is securely attached to the cabinetry and that any seams are properly sealed to prevent water damage. Additionally, consider adding additional support such as steel rods or brackets to reinforce the structure.

Adding Personal Touches and Decor

Once the concrete benchtop is installed, it’s time to add personal touches and decor to make the space truly your own. Consider adding decorative accessories such as plants, artwork, or decorative bowls to enhance the visual appeal of the benchtop. You can also personalize the space by incorporating unique design elements such as custom engravings or embedded objects within the concrete.

By following these tips for incorporating a concrete benchtop into your kitchen design, you can create a stylish and functional space that reflects your personal style and enhances the overall aesthetic of your home.


In conclusion, building a concrete benchtop can be a great way to add a unique and modern touch to your kitchen design. By following the steps outlined in this article, you can create a beautiful and durable benchtop that will be the centerpiece of your kitchen for years to come. Whether you’re looking to update your current kitchen or are starting from scratch, a concrete benchtop is a versatile and stylish option that is sure to impress. So roll up your sleeves, gather your materials, and get ready to transform your kitchen with a stunning concrete benchtop.