Ceiling tiles are flat panels that are used to cover the ceiling of a room. They can improve the appearance of the ceiling and also provide insulation and soundproofing. Full definition
Floor - to - ceiling tiles in the kitchen need refreshing? (idealhome.co.uk)
They took down the rest of ceiling tiles (because they were going to come down eventually anyway) leaving the lovely ceiling that you see today. (grandmashousediy.com)