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Molding And Crown Molding

crown molding materials and types

What is the difference between molding and crown molding? Molding is a broad term used for various types of trim inside a house, and a crown molding is generally covers ceiling molding.


What is Molding?

Molding, also known as moulding, and coving (in the United Kingdom and Australia) is a process of manufacturing with shaping pliable raw or liquid substance-using frames, that are called matrix or mold. This is also, in turn, is may have been made of a model of the final object or pattern.
Mould or mold is a block of a hollowed-out form, which is filled with plastic (or other pliable material, glass, metal, etc) or liquid and other ceramic materials.

  • The liquid sets or hardens inside the mold, shaping it. The most common molding process working with two molds, one for each half of the project.
  • Articulated mold has multiple pieces, coming together to form the whole mold, afterword it dissembles to release the finished casting. In general, they are not cheap but are so useful in case there are complex overhangs with casting shapes.
  • Piece molding may have plenty of various molds, and each of them has its section of a complicated object. They are generally used for more valuable and larger objects.

The traditional use for molded plastics includes molded household goods, molded cases, molded furniture, and structural materials.
Summarizing the above mentioned, molding is material strips that have different profiles used to decorate or to cover transitions between surfaces. Moldings are extremely common in classical architecture and sculpture, and in general, they are covered with various kinds of stones or marble.

Types of Molding

Basically, decorative moldings are made of stone, cement, and wood, although, recently molding has been made of expanded polystyrene and extruded PVS as well.
Synthetic moldings are, however more common, as long as they are considered one of the cost-effective alternatives in house remodeling.
Common moldings are:

  • Astragal - semi-circular molding that is attached to a pair of two doors for covering the gap where they are meeting.
  • Baseboard - are using for concealing the junction of interior floors and walls, just for decorations, as well as for protecting the wall from impacts.
  • Casing - A trim around the sides of windows and doors opening to cover the gap between the jam or the frame which is attached to and the finished wall.
  • Chair rail - also called dado rail. This is a horizontal molding placed part, way up a wall to save the surface from chair backs. They are also used for simple decorations.
  • Dentils - Small blocks that are spaced evenly along the bottom edge of the cornice.

Those were some of the most common types of molding, however, there are decades of different molding types.

What is Crown Molding?

Crown Moldings are, however, everyday friends of many of us houses - trims which are often used for around doors and windows, or ceilings in interiors. But how much time are we spending to think about them, to know what is the crowed molding, that you see attached to your ceiling? Maybe never, right? But someday may come you'll need to know more about moldings. Here we are giving you a head start.
To find out the crucial points, some of our teammate specialists told us about moldings, who also have years of experience working in remodeling LA buildings and apartments, renovating county houses. They love what moldings can do for a room.
The main purpose of crown molding is visually (not only) cleaning up the paces of a room, where the ceiling and walls are meeting.

Do Crown Moldings Serve Function?

Originally, crown moldings were installed for practical reasons, and only later they became decorative elements in houses, however, moldings sill retain their useful functions as well. Installing trims and moldings were done in the past for covering the gaps between the different materials of a building, such as when wallpaper edge meets the ceiling tiles.
Over time crown moldings became more desirable by house owners and more elegant.
Nevertheless, the crown moldings are now for much more than just that - if they are done properly, they help lift space and draw our eye to make the ceiling seem higher than it is.

What Are Crown Moldings Made Of?

In the present day, several different materials are used for moldings. One of the most common molds are made of plaster - once you have plaster mold, you can repeat the pattern, but doing the same with, for example, wood, would be much harder, on the other hand, wood can be a good material for crown molding, as long as it is easier to maintain and install than plaster molds, for you will not have that many issues with cracking.
Moldings that are made of composite, i.e. extruded polystyrene, polyurethane foam, PVC or vinyl, are the easiest to install according to the specialists. The moldings, which patterns are modeled after plaster styles, are flexible, lightweight and impervious to insects and moisture.

Crown Molding Cost

With so many varieties available, it is hard to estimate crown molding costs. The least expensive, or it is better to say, the most cost-effective choices are the ones, made of composite.

composite crown moldings

Pertaining to wood materials, there are so many, various types of wooden crown molding, accordingly, their cost can be pretty dramatically different.
The most expensive materials of crown molds, so far are considered plasters, due to the level of details and their labor.

plaster crown molding

Styles And Modern Trend In Crown Molding

Hundreds of catalogs are published dedicating to different styles and Modern trends in crown molding. You can find Classic Colonial, Greek Revival, as well as a Victorian mansion and historic French chateau, which are among the most desirable styles.
People are now experimenting with materials and styles in choosing crown molds for their house so it is hard to track nowadays' exact trend in crown moldings, but there is a remarkable increase of a number of craftspeople, who are choosing beautiful plaster installations along with doors and not only ceiling and wall corners.

door crown molding installation


The right choice of moldings can add charm to any room in a house, it doesn't matter you are looking for plaster, wood or other material of molding. Different rooms of your home, may have different needs, so for example if your room is not large, and have low ceilings, probably it is better to use narrow baseboards without architectural elements and details. Instead, larger rooms with high ceilings, are recommended to be decorated with crown moldings made of bold details, for, in this case, they will add more lit, value and aesthetic appeal to your room.