I found it was easier to apply the sealer and finish by pouring it in a line instead of trying to spread out a puddle.
Pouring concrete over existing countertops.
Thoroughly clean the steel mesh using steel wool and acetone.
Concrete countertops over existing laminate don t rip out your laminate update them over the weekend with this concrete kit.
Concrete over concrete by.
The first coating will not completely cover the counter it should be a thin coat.
I ve personally poured hundreds of jobs where we poured over existing concrete that was worn out cracked pitted or sloped the wrong way.
Work your way around the countertop covering the top surface as well as backsplash and front edge.
Engineer if you are laying pouring concrete over existing concrete there needs to be a bond.
And i must say it has worked out so far.
Lay it over the mold and using bolt cutters cut it to shape staying at least 1 inch from the edges of the form all the way around.
Mark would simply pour or scoop some of the mixed ardex onto the countertop and then use the tape knife to spread it evenly over the surface.
You could drill holes into the existing concrete surface and insert steel pins and then the mesh on top.
And you will need acetone to get it off your hands.
Now we have done several concrete countertops before and have removed the old countertop and poured a whole new one.
When i say bond the concrete you are lying on top off needs to be a rough finish like scabbled.
I say after having poured them as long as you can lift a full five gallon bucket up to your head 15 20 times you are good to go or at least have someone handy who can.
There are a couple cracks but all concrete cracks.
You can if the concrete is sound solid with minor cracks pitting scaling surface damage or just plain ugly.
Concrete countertops are often the domain of professionals but you can create a concrete overlay on an existing tiled countertop with a few humble supplies and materials.
Drill screws every 4 6 inches around the top of your mold.
You can suspend the steel mesh from these screws after you ve poured in half of your concrete.
In most cases it s ok to pour new concrete over existing concrete.
Pour in place concrete countertops are absolutely a diy solution to countertops if you are on a budget or just love the versatile look of concrete.
Use my above recommendations and work experiences as a guideline to determine if your concrete is a good candidate or not.