The Best Way to Build a Concrete Countertop

Concrete countertops are just one of many kitchen countertop options. You can buy precast counters from fabricators that are cured and finished in the workshop and delivered straight to your kitchen for installation. Or you can do it yourself by making your own molds and fixing your counters at home.

Concrete Countertop Design

Kitchens with modern designs—lots of smooth surfaces and flat-faced cabinets—work well with concrete countertops. The beauty of these countertops is that they make a subtle design statement and can work with many different kitchen styles. Their timeless/utilitarian aesthetic won’t (probably) date like any other countertop material – leaving you looking at black granite. Plus, concrete doesn’t mean you’re stuck with gray, as there are many different color countertop options, especially if you’re buying them from a fabricator.

Read More: The Best Way to Build a Simple 2-Door Wooden Cabinet

With the advent of quick dry concrete like Quikrete, you can pour and cure your concrete countertops without waiting weeks for them to cure. DIY concrete countertops won’t be as smooth as something you’d buy from a pro, but you’ll save hundreds on materials and labor – concrete countertops can run $85-$100 per square foot – plus learn something in the process. .

DIY Concrete Countertops

The Best Way to Build a Concrete Countertop

To build your concrete countertops, you’ll need to build your molds as well as gather the tools and materials to mix, set, and cure the concrete. Quikrete 5000 is easy to work with, just make sure you buy the right amount for your project and stick to the recommended water-to-concrete ratio. The goal is to make the surface as smooth as possible to prevent dirt and food particles from getting caught in the holes while also giving your countertops a finished look.

To prevent your countertops from cracking, place steel mesh in the middle of your countertop while you’re laying them. It will serve the same purpose as you see in the foundation and provide extra strength to your countertops.

YouTube channel Homemade Modern shares their step-by-step process for installing DIY concrete countertops in the video below. He recommends using melamine to make countertop molds because they have a very smooth surface that prevents air bubbles and drying air on the concrete surface.

The process of making your mold to install the sink simply requires making an inset that fits the size needed for your sink opening. Your sink will drop into your countertop frame and the concrete countertop will stay on top. After curing, the countertop will be very heavy, so grab a few friends to help you lift it and secure it in place. You can use liquid nails to secure the countertop to the frame which will prevent it from shifting.

The final step is to apply a concrete sealer to your countertop that will protect it from stains, and a final coat of concrete wax to prevent scratches and give it a nice shine.

Concrete countertops shouldn’t take more than a few days to build, so you won’t be shutting down your kitchen for weeks, and when you’re done, you’ll enjoy the satisfaction that comes with creating something that You will use and enjoy everyday. .

How thick should you make a concrete countertop?

The standard concrete countertop slab thickness is 1 ½ to 2 inches, similar to countertops made of marble or granite. However, contractors can create the illusion of a thicker countertop by casting a drop-front edge.

Do I need rebar in concrete countertop?

Concrete countertops are not supported by a subgrade, as are floors and other slabs. They are like cantilevers and must be reinforced to limit structural cracking and ensure sufficient tensile strength and ductility.


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