Need more space? Got a dingy unfinished room? You can quickly transform that space into something usable and comfortable. We take a closer look at it as well as some alternatives. Mirror On Mirror Decorating For Bathroom Best 25 French Mirror Ideas On Pinterest Country Full Length Best Decor is one way to turn a dingy unfinished room into additional space that's attractive and comfortable. It does this by applying their expertise in building science and system design to the standard below-grade home design.