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How to Build a Concrete Countertop

How to Build a Concrete Countertop - Detailed Steps to Help You

Home owners like Concrete countertops for their flexibility and ability to mimic any type of countertop. However, making them is a tough task as it needs experience of working with concrete. If you have that experience, then here are instructions on building the same.
Mayuri Kulkarni
Last Updated: Oct 03, 2018
Kitchen In Home
Concrete countertops are easy to mold into any shape and color that you desire. If you decide to install such a countertop, then you will have to shell out quite a bit of money, most of which goes towards labor charges. But if you choose the DIY method, you can save these labor charges.
However, if you are new at working with concrete, it is always better to leave the installation to experts, because it involves accurate measurement of the surface, the amount of concrete to be mixed, and many other factors. Many times, even contractors face difficulties while installing these countertops.
However, if you still want to give it a try, then we recommend choosing a place that, in case you are unsuccessful, will not ruin the interior of your home. Read ahead to know about the steps to be followed.
Planning the Installation
The first step is to decide the place for installing the countertop. Then, there are two installation methods: either preparing the countertop and then installing it, or preparing the countertop over the surface of installation.
For do-it-yourself concrete countertops, it's better to prepare the countertop separately and then install it, to avoid the mess created on the floor or on the cabinets placed below the countertop. If you are preparing a countertop for the kitchen, it is necessary to find out whether the cabinets below will be able to sustain its weight.
Preparing the Form
The form is the wooden base of the countertop that will act as a mold. Take accurate measurements of the surface where the countertop is to be placed. See that you use form made up of particle board coated with melamine. This will prevent the countertop from adhering to the base of the form.
If you are making a kitchen countertop, you need to leave spaces for the sink, faucets, and other accessories. To create these spaces, introduce plywood at the required spaces and prepare the form accordingly.
After preparing the form, place wire mesh in the form that will ensure strength. Make sure that the mesh that you have placed in the form is just a bit less than the length and width of the form.
Pouring the Concrete
Consult a concrete supplier for the amount of concrete required for your countertop. Prepare the concrete mixture accordingly. Mix the color you have chosen for your countertop according to your requirement. You can even use a mixture, especially made for these countertops. Prepare the mixture according to the manufacturers instructions given on the label.
Once the concrete is ready, pour it carefully over the form and tamp it. Level the concrete surface carefully with the help of a trowel, and leave the concrete to cure for at least a day or two. Then remove the form and sand the edges. Once the concrete has cured completely, apply a concrete sealant on the surface, that will prevent staining.
Concrete countertops have many pros and cons. They are one of the best ways to give a look of marble or granite to a countertop. They are very flexible and can be given any desired shape and color. They last for a long period of time, if maintained properly. However, they are very susceptible to dirt and they look worn out very soon.