The meaning of the word trim has evolved from its basic meaning of simple carpentry- a length of wood with square edges that is surfaced on four sides, to that of construction crafts- finish materials in a building applied around openings or at the floor and ceiling of rooms, to interior design- a general term for all molding in a home. 

In their basic form, molding pieces are narrow lengths of wood shaped to a profile, that is, a cross sectional area of a shape. Traditionally, molding was made out of plaster and shifted to other materials including papier- and wood, and the more contemporary materials such as PVC, MDF, and polyurethane.

Trim can be installed in multiple sections of a home or office, including the interior and exterior areas. They come in a great many sizes, styles and finishing. Depending on the purpose and position, different sections require different types of trim or a combination of more than one.

In this article, we explore 4 common types of trim that would make for a fantastic addition to your space.

1. Crown molding


Crown molding has the superpower to single handedly transform bland rooms and surfaces to pieces of art.

Crown molding pieces are horizontal decorative moldings fixed on the top of interior walls that border ceilings or atop furniture and openings like windows and doors. The molding is referred to as “crown” molding because it is used to embellish only the top space of a room or surfaces.

Crown molding is an ornamental piece that remains in style from centuries past when the Egyptians favored the ‘cavetto’ and ‘torus’ styles. The Romans and Greeks adopted crown molding as their own and basically worked it into what we have today.  A symbol of craftsmanship and splendor, crown molding never goes out of style. Crown molding brings the beauty of the past to the present.

Crown molding is largely installed for decorative purposes. However, it can also be used for functional purposes such as hiding imperfections between the walls and the ceiling, covering up naked wiring along the top of the wall, and balancing out the finishing of a room such as the living room.

Depending on the type of material, crown molding can be painted or stained. Wood staining is a favorite for those seeking a rustic look while painting gives the room to spruce up a room in the colors you please. Our polyurethane crown molding comes pre-primed and ready  to paint. If you’re wondering what would make a great color for crown molding, here are a few ideas. 

2. Baseboard molding

Baseboard molding is the opposite of crown molding. It is also referred to as skirting or floor molding and covers the bottom side of the interior walls that meet the floor of a room. Baseboard molding bears similarities to crown molding and can even be used together to make built-up crown molding pieces.

Our baseboard molding pieces are available in simple and ornate designs. The best size for a room is determined by the proportion and the ceiling height of the room.

Ceilings give rooms a light and airy feel or a sense of calm and coziness. High ceilings especially, draw out the majestic beauty of entryways and staircases. Low ceilings tend to darken and cramp rooms. The recommended baseboard molding size is 3-5 inches for 8-foot ceiling heights and 6-8 inches for 12 foot ceiling heights.

Baseboard molding mitigates the damage risks that interior walls meeting the adjacent floors face. These damage risks include kicks, abrasions and furniture. Baseboard moldings also protect dry walls from dirt and debris.

The main purpose of baseboard molding is functional, that is, to protect the lowest part of drywall in a room. Besides this, it is a remarkable beautifying element that ties a room together from below. Like crown molding, it can also be stacked up to make it stand out more.

3. Chair rail

Chair rail, also called dado rail or surbase, runs round along the perimeter of a wall at waist length. This type of trim is more likely to be found in foyers, living rooms and dining rooms. They provide protection to walls from the back of furniture. Chair rails are a great transition between two separate wall finishes on the upper and lower part of a wall.

The history of chair rail can be traced back to dining rooms of centuries past where the Shakers in England put wood and pegs on walls to allow them to hang the chairs when they needed to clean the floor underneath. Another theory suggests that chair rail was used for the aesthetics of dividing a room into proportions, typically thirds. 

Whatever the true origin, this piece of trim came in handy in protecting the wall from bangs and scrapes from backed up furniture. Since then, their days of being viewed only as functional pieces have long gone. Chair rail is a great add to rooms for aesthetic purposes too. Along staircases, chair rail exudes flair, majesty and elegance. The aesthetic beauty of this trim adds value to a home.

Chair rail can be painted or stained to match crown molding or the baseboard molding and achieve harmony within a room. 

4. Casing

Casings are the most visible finished trims surrounding openings such as windows and doors. Casing is always installed before baseboards and chair rail because it butt against them. Casings are used inside and outside windows, doors and closets.

The main purpose of casings is to seal the gap between the finished wall and the frame it is attached to. Casings are both a functional and decorative accent in homes. Some of the most viable casing profiles are Colonial, Windsor, Belly, Stafford and Ranch.



The functions of trims are both decorative and functional. While they can be used individually, pairing them together creates a more complete look and adds a proportional spark of class to a space. All our molding pieces are made from high-quality polyurethane that promises durability at an affordable rate.

 They are resistant to deteriorating risks such as humidity, temperature changes and insect damage. Best of all, there are so many designs to choose from, you will simply be spoilt for choice!


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