From This Old House, Clearstory is a window that sheds light on the surprising stories behind our homes. Host Kevin O'Connor digs into the systems, structures and materials in our homes from unexpected angles. Why is the window the ultimate machine? What can Las Vegas teach us about lowering our water bills? How did the Great Chicago Fire change the way we frame houses today? How do you build the perfect roof? You’ll hear from Richard Trethewey, Tom Silva, Jeff Sweenor and the This Old House experts, as well as industry leaders, historians, and builders. Clearstory – your home in a new light.