Building A Concrete Countertop Form

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.

Building a concrete countertop form.

Scoop shovel or pour the concrete into the countertop form. Start with a 4 x 6 piece of 1 thick melamine particleboard. 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. Using wood veneer strips secure the strips to the surface of the cabinet top with the hand stapler.

Once you ve measured and marked out your countertop on the melamine it s time to set the sides. Place the re mesh on top of the mixture keeping it. Make concrete countertops step 1. Now lightly coat the melamine frame interior with olive oil.

The basics for making a concrete countertop are simply building your mold. Wear hand protection and press the concrete mix into corners to ensure proper coverage eliminate any large air pockets. 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. Allow it to dry and then peel off the tape.

Cresset s crete lease 880 voc is the form release agent because it is designed for metal surfaces. Measure and mark the exact dimensions on the mold base then cut using a circular saw image 2. 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. Next build a form into which.

Basic concrete countertop step 1. 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. Use enough of the mix to fill the mold about halfway up the. You should then run a line of caulk along all the seams and form it to the joint using your finger.

Doing so will let the concrete. Set firmly on a pair of sawhorses. This will prevent any concrete from leaking out unattractively. Start by determining the dimensions you want the countertop to be.

How to form a concrete countertop create a template by connecting strips of wood veneer. Gather your materials have a plan. 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. 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.