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.
Once you ve measured and marked out your countertop on the melamine it s time to set the sides.
Use enough of the mix to fill the mold about halfway up the.
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.
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.
Set firmly on a pair of sawhorses.
Wear hand protection and press the concrete mix into corners to ensure proper coverage eliminate any large air pockets.
The key to a great countertop is a well built mold to pour the concrete into.
For gfrc casting you can simply create melamine boxes.
How to form a concrete countertop create a template by connecting strips of wood veneer.
Measure and mark the exact dimensions on the mold base then cut using a circular saw image 2.
Start with a 4 x 6 piece of 1 thick melamine particleboard.
Place the re mesh on top of the mixture keeping it.
Next build a form into which.
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.
Clean and seal the.
Using wood veneer strips secure the strips to the surface of the cabinet top with the hand stapler.
Now lightly coat the melamine frame interior with olive oil.
The basics for making a concrete countertop are simply building your mold.
Basic concrete countertop step 1.
Cresset s crete lease 880 voc is the form release agent because it is designed for metal surfaces.
Start by determining the dimensions you want the countertop to be.
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.
Doing so will let the concrete.
This will prevent any concrete from leaking out unattractively.
Allow it to dry and then peel off the tape.
Gather your materials have a plan.
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.
Scoop shovel or pour the concrete into the countertop form.