Clear the area around the existing countertop and remove all items from the surface.
Turn off the water supply valves under the sink and disconnect the plumbing fixtures carefully.
Measure the dimensions of your current countertop and cut the new material accordingly using a saw.
Carefully lift and remove the old countertop, ensuring no damage to cabinets or plumbing.
Clean the cabinet surface thoroughly with mineral spirits or cleaner to ensure proper adhesion.
Position the new countertop on the cabinets, aligning edges and cutouts precisely.
Use clamps to hold the countertop in place and secure it with screws or mounting brackets if necessary.
Apply silicone caulk along the edges and seams to create a water-tight seal, smoothing with a finger or tool.
Reconnect the plumbing fixtures, ensuring all connections are tight and leak-free.
Use a level to verify the countertop is even; adjust as needed before final tightening.
Clean the surface with a mild cleaner to remove dust and fingerprints, leaving a pristine finish.
Properly dispose of the old countertop and any debris, and restore the workspace.