Common types include cove, crown, bed, attic and picture.
Available in many different widths, from 1/2” to over 5”.
Several types can be combined for more elaborate trim work.
Picture molding is placed below the ceiling and traditionally was used to support a wire that held picture frames. Today, they are used mostly decorative than functional.
Floor/Wall Junction
The trim used where the floor and wall meet.
The most complete is a combination of a base, base shoe and a base cap on top. Often, just a base is used.
Another popular type is the quarter round.
Most types are available in many different widths, from 1/2” to over 5”.
Combination of pieces often depends on the type of flooring in the house or preference of the owner.
The base shoe looks like a quarter round molding, but is not. It is not an even length on both sides.
Corner Bead
Used to protect and decorate the outside corners of an interior wall.
An alternative to clear plastic corners.
Casing
Sometimes referred to as window or door casing.
Used around windows or doors for trim.
Styles include colonial, oval, R2E, ranch and molded
Top of Paneling
When paneling goes only part way up the wall, it is called wainscot.
The raw edge at the top is finished with this piece of molding.
Several styles are available, including wainscot cap, ply cap or Dado cap.
Batten
Used to conceal joints when plywood panels or boards meet.
Many plywood panels are v-grooved and hide the joint. If they’re not, use this trim.
Corner Block
Installed at the corners where two runs of molding meet.
Makes installation easy, as installer doesn’t have to cut a miter joint.