Kitchen Countertops / September 6, 2018 / Edward Taylor
Countertops are typically fabricated from 14- or 16-gauge material, which is then glued to a substrate of plywood or medium-density fiberboard (MDF) to form a rigid surface. Type 304 stainless steel is commonly used, due to its higher chromium content (and therefore corrosion resistance) and ability to be welded without affecting its durability or strength. Most common is a number 4 brushed finish, but stainless steel is also available in satin (smooth), antique matte and any number of specialty patterns.
The basics: Plastic laminate countertops consist of a wafer-thin finish adhered to a plywood or particleboard substrate. That thin finish is a high-pressure laminate (HPL); it’s made of three layers of material bonded together by high heat and pressure: a clear melamine top for protection, a decorative layer and a backing made of phenolic resin-coated kraft paper. Well-known laminate manufacturers include Formica, Wilsonart and Nevamar.
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