Countertops are usually attached to cabinets and walls with putty or silicone. In some cases, they also have screws or other fasteners that hold them in place from below. Simply tap it from below with a hammer on the overhang, avoiding the cupboards. A few strokes every few centimeters and it should go up high enough to put in a metal sheet of Sawzall and cut the nails.
It will also be easier if you first go through most of the countertop so that it comes out in smaller pieces. Slide the spatula between the cabinet and the countertops. Do this whenever there is glue to minimize damage to cabinets when removing countertops. Place countertop parts in cabinets.
They will likely place a drop of silicone where the countertops meet the cabinet in the corner of that section along the entire length of the kitchen. Granite countertop installers also, after installing the stone, will run a drop of silicone along the edge where the bottom of the granite countertop joins the cabinet. Once you have enough space in your cabinets, look up under the countertop to locate the screws that hold the countertop to the cabinets. Removing a laminate kitchen countertop is relatively easy because it attaches to cabinets with a combination of adhesive and screws.
If they have plywood, they will be joined together with glue and then the countertop will be fastened with screws just like laminate or formica countertops. The table below lists all of the countertop options and the adhesive needed to securely secure countertops to cabinets. It's important to know and understand how countertops are installed so that you can do it the right way, and if you're doing it for you, you'll know what to look for to make sure your countertops are installed properly and safely. I have removed the wooden countertops many times with glue used to join them and sometimes it splits the wood in the countertop and the wood in the cabinet causing damage.
Use the paint scraper and pry bar to completely separate the countertop from the cabinets and completely remove the countertop with the help of a friend (Picture. So you want to know how countertops are attached to cabinets and that tells me that you are doing this DIY or that you feel that your countertops are not securely secured to your cabinets. Sintered stone countertops are bonded with silicone in the same manner as the countertop materials mentioned above, using silicone along the edge where the stone is attached to their cabinets. Marble countertops are also attached to your cabinets with silicone using the same methods as granite countertops.
For laminate countertops, you'll use a screw under the countertops that screws at an angle into your cabinet and then into your laminate countertop. If you're renovating a kitchen or want to change from laminate to tile on your countertops, it's beneficial to remove the one-piece countertop and start from scratch.