In the United States and its neighboring countries, the cell size in the suspension grids is typically either 2 by 2 feet (610 mm × 610 mm) or 2 by 4 feet (610 mm × 1,220 mm), and the ceiling tiles, light fixtures, and fluorescent light tubes are the same size.Click to see full answer. Herein, how much space do you need above a drop ceiling?If a leak appears in the overhead plumbing, a suspended ceiling can mean the difference between a costly, time-consuming repair job and a minor inconvenience. All you need for a suspended ceiling is sufficient head clearance. Requirements vary, but most codes stipulate a minimum 7 1/2-ft.Also Know, what is the difference between a drop ceiling and a suspended ceiling? Definition. A drop ceiling, or suspended ceiling, consists of panels or tiles that hang a few inches below the main structural ceiling. In other words, the suspended ceiling does not make up a permanent structural foundation, but rather serves as a covering for the more solid framework above. Also asked, how much do drop ceiling tiles cost? The average cost for a 10’x12′ room is around $1,500.00 installed. If you do it yourself, the material costs are: Tiles – $30.00 to $55.00 per case (check the quantity per case as it varies, the lower end is usually 20 tiles per case, 2’x2′) Gridwork – about $72.00.How much is a drop ceiling per square foot?Having a drop ceiling installed runs about $2-$5 a square foot depending on the type and size of the panels, the height of the ceiling (including if a rolling scaffold is needed), whether the ceiling covers one large open space or several smaller rooms (which requires more labor), and the type and amount of additional