Start building the edges of your forms using your template as a guide. Removed the forms, and my husband smoothed it out. The result of the hard work is gorgeous countertops at a fraction of the cost of natural stone, not to mention the satisfaction of doing it yourself! Quick Install of Concrete Countertops! Concrete can be dyed most colors, poured to any size and shape, and inlaid with materials that can create patterns under its surface.