Kitchen Countertops / September 25, 2018 / Anthony Williams
Sustainability: The cement in concrete is derived from heating limestone, which is a carbon-intensive process that creates gas emissions. However, slag cement, fly ash and silica fume — all industrial waste by-products that are carbon neutral — can replace more than 50 percent of the cement, reducing emissions and improving the concrete’s ecofriendliness.
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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