This means an entirely different mounting procedure is necessary for an undermount sink with laminate countertops.
Remove cast iron sink from laminate counter top.
Measure out the lip around the sink.
Loosen the mounting bolts holding the stainless steel sink to the laminate top with a screwdriver and remove them.
If your sink s flange is secured to the granite with glue or a similar substance you ll need to remove it but it s likely that you need only lift the sink up and out of its place in the granite countertop.
The sink installs flush to the laminate not below the surface of the counter to prevent water from soaking into the particleboard.
Ensure the available cast iron sink will fit before you begin cutting.
There are typically two to four bolts holding the sink in place.
Don t include the lip in the countertop cut as the lip will support the sink.
The original gluing was not done properly or the glue has just released due to age you will have to break the sink apart to get it out.
The idea here is to separate the countertop from the underside of the sink without tearing the plastic laminate apart.
Undermount sinks install on laminate counter tops differently than on granite or stone.
There s no way around it.
The smaller pieces are easier to pry off and the odds of successfully removing the sink are improved.
If you re planning on junking the top anyway then don t worry about damaging the formica.
You must have two people when you are removing a cast iron sink.
If you do you will most likely break the plastic laminate on the countertop.
Measure and mark out the cut for the sink hole in the countertop and surrounding cabinetry by measuring the width and length of the bowl s.
If you are referring to laminate covered counter tops that have 5 8 particle board as a substrate you are fine.