Building A Concrete Countertop Form

This will prevent any concrete from leaking out unattractively.

Building a concrete countertop form.

Clean and seal the. 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. Use enough of the mix to fill the mold about halfway up the. Next build a form into which.

Doing so will let the concrete. 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. Make concrete countertops step 1. Scoop shovel or pour the concrete into the countertop form.

Allow it to dry and then peel off the tape. 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. Gather your materials have a plan. The key to a great countertop is a well built mold to pour the concrete into.

Once you ve measured and marked out your countertop on the melamine it s time to set the sides. 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. Set firmly on a pair of sawhorses. 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.

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. Start with a 4 x 6 piece of 1 thick melamine particleboard. Measure and mark the exact dimensions on the mold base then cut using a circular saw image 2. 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.

Cresset s crete lease 880 voc is the form release agent because it is designed for metal surfaces. You should then run a line of caulk along all the seams and form it to the joint using your finger. Wear hand protection and press the concrete mix into corners to ensure proper coverage eliminate any large air pockets. Basic concrete countertop step 1.

For gfrc casting you can simply create melamine boxes. The basics for making a concrete countertop are simply building your mold. 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.