
Industry Definitions + Terms
- 01
Floor mouldings are those installed at the bottom of the wall where it meets the floor and used for both decorative and functional applications. This includes baseboards, base cap and base shoe. Floor mouldings are those that are used in conjunction with flooring, such as thresholds and spline.
Baseboard Moulding:
Quietly defines the junction between walls and floors, offering a subtle transition that unifies the entire room. They balance the room with there door and window casings, and should be slightly thinner than your casing for a proper installation. Baseboards protect the lower part of wall and provides a visual foundation.
Base Cap Moulding:
Serves as a stylish finishing touch, adding a touch of sophistication to your room's lower boundary. It is installed on top of the baseboard, typically like the Craftsman style.
Base Shoe Moulding:
It gracefully follows the curves of your floor, providing a sleek and seamless appearance, while protecting the edges. Conceals gaps between the flooring and wall.
- 02
Wall Moulding refers to decorative or functional trim or panels elements applied to walls, enhancing the aesthetics of a room.
Chair Rail Moulding:
Serves as a practical and decorative element. Positioned about a third up the wall, it protects your walls from scuffs, while introducing a horizontal design element that divides the wall into distinct visual zones, allowing for creative decorating possibilities.
Outside Corners:
Used to protect the outside edges of the wall from damage and abrasion. Outside corners come in a wide variety of sizes and detailing.
Panel Rail Moulding:
Traditionally used to create a decorative effect often seen on internal walls, like picture frame moulding, or to create shadow box wainscoting. Adds depth and style, providing a finishing touch to any wall or door.
Wall Paneling:
(Also known as Wainscot, Nickel Gap, Beaded, V-Groove, Shiplap) Paneling is used to cover a wall providing a pattern to add an accent to your walls. Shiplap and Nickel Gap is a versatile accent and typically interlock.
Panel Cap:
Conceal the top edge of the of wall paneling. The panel cap typically has a Rabbet or dado the thickness of the panel.
- 03
Door and Window Moulding enhance the visual appeal around the opening, along with covers gaps between the wall and door or window frame.
Casing Moulding:
Frames the doors and window opening with a refined touch. It compliments the architectural features of your room, creating a sense of cohesion and sophistication through the space. Also referred to as Architrave.
Backband:
Enhances the appearance and effect of the trim around a window or the trim around a door. Typically it installs to the far end of the casing. If the base moulding is thicker than your casing, adding a backband will add depth.
Stops:
Attached to the door jamb on both sides and at the top. It is where the door comes to a rest when it is closed stopping the door from moving any further.
Stool or Sill:
Also may be referred to as a window sill, a window stool is the surface installed below the sash of a window. Trim installed under window stool creates a distinctive look and adds a decorative touch.
Apron:
A piece of the horizontal frame, window moulding or boxing, applied directly under the window stool on the wall; it also serves to hide the seal formed by the sill or the surface of the interior wall.
Jamb:
A peripheral frame of a window or door. The most common size for indoor used as a door jamb is 11/16 inches thick and 4-9 / 16 inches wide (2x4 construction).
Mullion:
It is also called mull or a panel strip. A mullion is the vertical element of a frame, window or door frame between openings in a multi-window frame. It is also used as for decorative wall treatments.
Corner Blocks:
Decorative square blocks (also known as rosettes) used instead of mitering the casing above a door or window.
Plinth Blocks:
A plinth block (also known as a skirting block) is a decorative block which is slightly thicker and wider than your baseboard, casing and architrave. It sits at the bottom of the casing and either the right or left of the baseboard depending on the position of the door frame.
- 04
Ceiling Moulding is decorative moulding installed at the junction where the ceiling meets the walls. It is used to enhance the visual appearance of the room and can be simple to more intricate and elaborate.
Crown and Bed Moulding:
Graces the ceiling and wall intersection with a high quality touch. Its intricate designs and sweeping curves draw the eyes upward, adding an air of elegance and grandeur to any space. It also can be used to enhance a mantel, or integrated into a door or window heading or called a architrave.
Cove:
Same as Crown except the shape is concave. Small coves are also used as inside corner guards and other build-ups.
Rake Moulding:
Typically used at inclined ends of a gable ceiling. They are often used as Crown Moulding.
Cornice:
The decorated projection serving as the "crown" from a wall or cabinet to the ceiling. Adapts multiple mouldings to be "boxed", "open" or "simple"; Cornice is often more used for exterior designs.
- 05
Mouldings that have a general use that can be used un conjunction as a "build-up" or better known as a particular use like Quarter Round most often used with baseboards.
Quarter Round:
Comes in several sizes and serve a variety of functions. They are most often used with baseboards.
Screen:
A very versatile profile. Screen Mould fits a wide variety of needs and uses. Traditionally used to hold mesh screening into wood screens, it also works well as edge trim on various shelving or wood trim for wall paper etc.
Square and Parting Bead:
Used in a wide range of applications including filling gaps and transitioning heights. Its main purpose is used as a vertical strip on each jamb that separates the sashes of a double-hung window. This profile may also be used in a variety of craft projects.
Lattice:
Thin strip of flat moulding commonly used to hide seams and edges. Available in a multitude of widths, it is useful for a wide variety of projects.
Batten:
Is a narrow strip of trim used to cover seems or as decorative horizontal or vertical member concealing the line over where two panels or wide boards meet.
- 06
Build-Ups:
(also known as combinations and or stackups) Combining two or more moulding profiles to create a new or custom look. Build-ups make it easy to create the look of custom made trimwork without the high cost.
Eased Edge:
A term used to describe the eased edges of trim and stops mainly of Craftsman style. A baseboard would have one eased edge and a square edge back. Casing would have two eased edges in most cases.
Bullnose:
The rounded end or edge of a board such as a window stool, shelf or stair nose.
Finish Boards:
(Our Craftsman) Finish Boards are used for a multitude of purposes including shelving, window jambs, bases, casing, etc.
Returns:
Term used to indicate the method of carrying a mouldings detail from the front of the moulding back to the wall. Generally a 45 degree bevel cut is made to the front of the long moulding and an opposite 45 is cut on a small piece to carry the detail to the wall.
Miter Joint and Cut:
A miter joint is formed by cutting two pieces of material at an angle, usually 45 degrees to form a 90 degree corner for window and door casing. The cut is typically on the face of the moulding lying on the table.
Bevel Joint and Cut:
A bevel joint involves cutting the edges of two pieces usually at a 45 degree angle to form a 90 degree corner for baseboard moulding. The cut typically starts with the Baseboard standing against the saw fence cutting the edge of the pieces on a 45 degree angle.
Scarf Joint:
A scarf joint is where two pieces of material are joined by overlapping the ends to create a long continuous piece using the bevel cut method.