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Unfortunately, no, applying another layer of laminate is not a viable option. Most homeowners do not have the proper tool to adequately heat the surface to adhere the laminate, as the adhesive typically used is heat activated as well as time cured. In addition, the pre-existing laminate will prove to be too smooth for the adhesive to bond well, and will likely lead to the new laminate peeling after a short time.
That being said, however, there are several options for a new countertop, which are designed to "sit" on top of the pre-existing countertop and wrap over the front of the old. They usually add approximately 1/2 to 3/4 inch to the height and overall depth of the counter while not actually increasing the counter space available for use. I would suggest hiring a professional for the installation, though a handy homeowner could do it themselves. The fact that they are lighter than their standard solid counter top counterparts, and won't require much new framing or shoring of old structures, makes these more inexpensive than a brand new countertop. They also come in many materials, making it possible to have the look of a quartz, solid surface or other countertop, without all of the expense.
John H.
Biehl Brothers Contracting LLC.
Rita
I would not do it. It is just cause you a bunch of trouble
Philip
HDR Remodeling Berkeley Ca