There are a variety of specialty ceilings available…some are listed below.Tray Ceiling – An inverted indentation with sloped sides and a flat top.Stepped Ceiling – An inverted indentation with stair-stepped sides and a flat top.Coffered Ceiling – A ceiling with beams laid out in an intersecting grid pattern with regular intervals.Pyramid Vault – A vaulted ceiling working gradually to a central point.Groin Vault – The intersection of two barrel vaults in opposite directions.Cove Lighting – Concealed lighting used in a recess.