Concrete is one of the most versatile building and paving materials in existence but, for a long time, it was also sadly limited in terms of style and appearance. In recent years, however, there has been a huge proliferation of new decorative concrete finishes, ranging from affordable (but glamorous) to high-end with trendy effects. The goal of decorative concrete finishes is to give the plain material or existing style a total makeover, delivering a beautiful new space without the cost of replacing the concrete. Here are 30 of the concrete finishing decorative ideas.