Concrete is one of the most widely used building materials in the word. Globally, about ten billion tons of it are produced each year. Since the Romans pioneered its use more than a thousand years ago, architects and engineers have used it in everything from skyscrapers to suburban backyards. Chances are, your home uses it

This post first ran in 2017. Concrete is one of the most widely used building materials in the word. Globally, about ten billion tons of it are produced each year. Since the Romans pioneered its use more than a thousand years ago, architects and engineers have used it in everything from skyscrapers to suburban backyards.

Concrete is one of the most widely used building materials in the word. Globally, about 10 billion tons of it are produced each year. Since the Romans pioneered its use more than 1,000 years ago, architects and engineers have used it in everything from skyscrapers to suburban backyards. Chances are, your home uses it somewhere