Foam Core Concrete Countertop. Award winning kitchen & bath designer Fu-Tung Cheng explains how to use foam forms to create beautiful concrete countertops. They have many advantages but are complicated and expensive to fabricate and install.
The easiest way to form sink openings is with rigid polystyrene foam. Carefully cut the foam to shape and then cover the edge with packaging tape to make it smooth. Transporting concrete from, say, Italy to New York produces lots of greenhouse gasses, too. (If you're looking for a truly green countertop, best to look Granite and concrete are both high-quality options.
Few kitchen countertop materials are trendier at the moment than high-end concrete.
Making your own countertops allows you to be specific about the look and the style.and it's not all that hard to do!
The cost of concrete countertops will depend on if you go the DIY route or have them professionally installed (either pre-cast or poured in place)—and how much personalization you want. The debate among concrete countertop contractors is about the best way to install them Sinks and Penetrations. They have many advantages but are complicated and expensive to fabricate and install.