Top-down, bottom-up shades are one of the most versatile shade selections on the market. These types of shades offer plenty of privacy while letting you regulate how much light filters through into the room.Types of ShadesThe most common type of top-down, bottom-up shades are cellular shades. However, Roman shades can be custom-made to be top-down, bottom-up shades as well. There are also cordless styles of these shades available in stores and online.Window CasingsWhile you can access specific directions for installing these types of shades via the manufacturer's directions, the most common type of window casings required by cellular top-down, bottom-up shades are those with a depth of at least 1 1/8 inch.