Flat Enamel
Flat enamel is a paint with a durable flat, matte finish. It's a good choice for powder rooms and halls, as it holds up to occasional cleaning.
Eggshell Finish
If you can picture the very low sheen of the shell of an egg, you have an idea of how an eggshell paint finish will appear. With only a slight hint of shine or gloss, it's good for walls and holds up better with cleaning than a flat finish paint.
Satin Finish
Satin finish paint has a smooth, velvety look with a bit more gloss. It is most often used for windows, doors, trim, or ceilings, but can also be used as wall paint. This is particularly suitable for kids' room walls, kitchens, or bathrooms, or in areas which get a lot of traffic. Paint with a satin finish is formulated to hold up to cleaning and light scrubbing.
Semi-Gloss
Semi-gloss paint is most often used on doors, trim, and cabinets in kitchens and bathrooms. It is easily cleaned and lays down a nice, subtle shine, without being too glitzy. Take care with pre-paint preparation work, as poorly prepared surfaces can be a bit distracting when highlighted by a semi-gloss surface.
Glossy
High gloss paints have an almost reflective quality, as their shiny finish mimics the look of enamel or plastic. Though not widely used in home interiors, it is becoming more popular for a dramatic look on cabinets, trim, and furniture in very formal and very contemporary settings. This finish will magnify any surface imperfections, so careful preparation and sanding is essential before painting with high gloss paints.
There are some particular application specifics that you should consider when selecting an interior paint finish.
Cleanability and Durability
While most manufacturers have developed all paint finishes with good cleaning qualities, a general rule is that the shinier the paint finish, the better it will stand up to washing and cleaning.
Kid-Friendly Finishes
When painting children's rooms, many painters recommend using an eggshell or satin paint on the walls and semi-gloss for doors and moldings. These finishes are formulated to better withstand repeated cleanings.
Rustic Looks
In order to give a worn or old look, use flat finish paints for walls or furniture. If cleanability is an issue, you might select a flat enamel for trim or an eggshell finish for walls.
High Gloss Looks
Rather than choosing a high gloss paint for a whole room, use it sparingly in select locations, such as doors and trim. The brilliant surface can appear a bit cold and uninviting. Remember to spend extra time preparing the surfaces to be painted glossy, as this finish tends to really point out any surface imperfections.
Ceiling Paint
If you're looking for a basic white ceiling, you can buy pre-mixed, matte finish paints off the shelf at almost any paint or home improvement store. Because cleanabiltiy or coverage is not a particularly important consideration, some ceiling paints use cheaper formulations. If you need an exact color match for the color scheme of your room, choose regular tinted flat wall paint.
Ceiling Finishes
Ceilings in most rooms are painted with a flat finish paint. You could also select an eggshell finish if the surface of the ceiling is flawless. Choose a glossier finish for good light reflection, but only if the ceiling is newly resurfaced and has no blemishes.
Kitchens and Baths
Any room, such as a kitchen or bathroom, that will be exposed to water, splashing, or steam, is best painted with a semi-gloss paint. A guest bath or powder room which will have less-frequent use, could be painted with lower-gloss paint, such as satin or eggshell finish.