Most people associate gypsum ceiling tiles with the ugly drop ceilings of the 60, 70s, and 80s, which usually consisted of lightweight square tiles set into a metal framework. More recently, interior ...

A drop ceiling—also known as a suspended ceiling—conceals the plumbing or electrical work running overhead while allowing easy access to those elements in the future, should any adjustments or repairs ...

Though suspended ceilings (above, right) remain the most popular ceiling system option, facility managers report that 17% of their total building square footage still features an open plenum ...