Along with windows, it's a key player in building an energy efficient home.
The "Die Hard" actor snags more than 22 acres on one of the highest points in Bedford, New York, after listing Western properties.
As if seeing your marriage end isn't bad enough, it's even worse when you find out you may lose your house, too.
At a sprawling 48,000 square feet, his estate is being marketed as an "ideal development project."
Indigo walls and woodwork, textured furnishings, task lighting and a media center turn a neglected room into a family hangout.