Suspended ceilings are used in most modern buildings. They are also called a dropped ceilings. Suspended ceilings conceal wiring, pipes and ductwork in what is called the plenum. Suspended ceilings were created to hide an old ceiling that may have…
Better Teeth, Better Health!
Suspended ceilings are used in most modern buildings. They are also called a dropped ceilings. Suspended ceilings conceal wiring, pipes and ductwork in what is called the plenum. Suspended ceilings were created to hide an old ceiling that may have…