once you are done with the trimming process then is the time to install them. To install quartz countertops in the kitchen, gather the required materials like channel lock pliers, putty knife, screw driver, silicon sealer, level, pipe wrench, construction adhesive and a cotton rag. Once you have gathered all the required materials, follow these instructions.

✔Turn off the water supply to the installation location (kitchen sink), with help of the channel lock pliers.
✔Then use the pipe wrench and screwdriver to loosen the compression nut of the sink drain.
✔Then remove the rest of the nuts and bolts of the sink, in order to remove it off the countertop area.
✔Once you do that, fill the drain hole with the cotton rag and proceed with the installation process by removing all the older nuts, glue and sealer off the countertop and the cabinets.
✔In order to seal the countertop, add silicon sealer to it and place it on top of the cabinets.
✔Then secure it with the screws that are provided to you, with the quartz countertops. Upon securing those nuts, you will secure the L-shaped bracket to the countertop.
✔Then is the time to rearrange the sink in its position. For that, remove the cotton rag and use silicon sealer before you secure all the screws of the sink.

Let me tell you that they are heavy to handle. Hence, you may need to seek help of one or more people. Secondly, if you purchase these countertops from a reputed home improvement store, they would definitely offer you professional help. So, if you are not too sure about the above tips on countertop installation, then it is always advisable to hire those who are the best in this business! All the best!