Building A Concrete Countertop Form

The basics for making a concrete countertop are simply building your mold.

Building a concrete countertop form.

What you will need 5 gallon buckets for mixing concrete a digital scale for measuring a mixer you can often rent these cement purchased at your hardward store sand also purchased from your hardware store superplasticizer make concrete more liquid without adding water. Start by determining the dimensions you want the countertop to be. Besides the fact the gfrc is now the preferred method for professionals to create concrete countertops this also has the big disadvantage that you need a steel topped casting table. Scoop shovel or pour the concrete into the countertop form.

The key to a great countertop is a well built mold to pour the concrete into. Tape around the inside seams of the wooden mold leaving just a slight gap about 1 8 between the two piece directly over the joints. So as you can see above the forms are basically boxes that are going to hold your concrete until it firms up and becomes a legit weight bearing countertop. You should then run a line of caulk along all the seams and form it to the joint using your finger.

Basic concrete countertop step 1. Once you ve measured and marked out your countertop on the melamine it s time to set the sides. Set firmly on a pair of sawhorses. There are two main ways to do concrete countertops you can either pour in place by building forms directly onto the top of your cabinets or build forms separate from your cabinets and then transfer the slabs to your kitchen.

The counter pieces actually fit inside the forms so you are making an outline with the walls of your form and the top of the form becomes the bottom of the counter. Wear hand protection and press the concrete mix into corners to ensure proper coverage eliminate any large air pockets. Next build a form into which. This will prevent any concrete from leaking out unattractively.

Doing so will let the concrete. Using wood veneer strips secure the strips to the surface of the cabinet top with the hand stapler. How to form a concrete countertop create a template by connecting strips of wood veneer. Allow it to dry and then peel off the tape.

Use enough of the mix to fill the mold about halfway up the. Place the re mesh on top of the mixture keeping it. Gather your materials have a plan. Cresset s crete lease 880 voc is the form release agent because it is designed for metal surfaces.

Make concrete countertops step 1. For gfrc casting you can simply create melamine boxes. The template should be the exact size of the countertop base or cabinet top not the size of the countertop that will go on it. Measure and mark the exact dimensions on the mold base then cut using a circular saw image 2.