All Types of Decor Mold: How to Install Decorative Wall Molding?

2023-04-06 15:27
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All Types of Decor Mold: How to Install Decorative Wall Molding?

If you're planning to renovate or redecorate your home, incorporating decor molding components like baseboard, casing, and crown molding can substantially enhance its appearance and atmosphere. We will guide you in selecting the appropriate decorative molding to match your style and provide insights into different materials used for molding.

What Is Decorative Molding?

decor moulds

Decorative molding, known as decorative molding trim, refers to the ornamental or decorative features that are added to the surfaces of walls, ceilings, and other architectural elements. Decor moldings are available in various sizes and shapes, and some types can be painted to create a contrast between the trim and wall color, resulting in a dramatic interior style statement. Also, decor molds can be employed for practical purposes, serving as a protective layer to cover where separate surfaces met or joined, such as where the wall and ceiling meet.

Common Types of Decorative Molding Trim

  • Casing - Casing molding serves both functional and aesthetic purposes. It functions to conceal gaps that may arise between door or window frames and walls.
  • Crown - As one of the most common types of decorative molds, crown molding, known as cornice, is installed at the point where the ceiling and wall meet. It can be used to add a decorative element to a room, while also hiding imperfections in the joint between the wall and ceiling.
  • Baseboard - Baseboard molding is a decorative trim that is installed at the bottom of walls. It can be used to hide the joint between the wall and the floor, as well as to add a decorative element to a room.
  • decorative molding
  • Chair Rail - Chair rail molding is a decorative trim that is installed at chair-height on walls. It was originally designed to protect walls from chairs and other furniture, but it is now used primarily for decorative purposes.
  • Wainscoting - Wainscoting is a type of decorative paneling that is installed on the lower half of walls, typically in dining rooms or other formal areas of a home. Wainscoting molding is used to trim the panels and add a decorative element.
  • Picture Rail - Picture rail molding is a type of decorative molding trim that is installed at the top of walls, and is used to hang pictures or other artwork. It can be used to create a polished and finished look for a room, while also providing a functional purpose.
  • Cove - Cove molding is a type of molding that is concave in shape and is typically located in the corners where walls meet the ceiling.
  • Dentil - Dentil molding is a decorative type of molding that features a sequence of small, square-shaped blocks that are repeated at regular intervals along its length.

How to Choose the Right Decorative Molding?

There are many factors needed to be consider when choosing the right decorative molding for your home.

Decorative Molding Materials

decorative molding trim

molding is available in various species and densities, and it's important to understand the differences in materials and select the appropriate one for your project to ensure a successful installation and desired outcome.

  • MDF: As a composite material, MDF is a stable and workable option, making it suitable for any molding application that requires a paint-grade solution.
  • Poplar: Poplar is a popular choice among design professionals due to its distinct grain patterns and rich wood tones that readily accept both paint and stain.
  • Pine: Pine is a cost-effective natural wood option that is paintable and can be clear-coated or stained, providing a rustic or sophisticated appearance.
  • Polyurethane: This type of molding can produce intricate designs without the cost of using real wood. It's lightweight, easy to handle, and can be sawed like wood.

Also, there are other molding materials such as decorative plaster moldings and decorative metal trim moldings. For more details, please contact our professional molding suppliers on Bestsuppliers.

Decorative Molding Sizes

When selecting decorative molding for a room, the size of the room and the height of the ceiling are important considerations. 

Ceiling Height

Crown Size

Casing Size

Base Size

8 ft to 9 ft

3-1/4 in to 4-1/4 in

2-1/4 in to 3-1/4 in

3-1/4 in to 4-1/4 in

9 ft to 11 ft

4-1/4 in to 5-1/4 in

2-1/4 in to 3-1/4 in

4-1/4 in to 5-1/4 in

11 ft to 12 ft

4-5/8 in or more

3-1/4 in or more

5-1/4 in to 7-1/4 in

12 ft or more

7 in or more

3-1/4 in or more

7-1/4 in or more

Decorative Molding Styles

The architectural style of your home can help guide your decision-making process when it comes to selecting molding styles. For example, if you have a Victorian-era home, you may want to consider ornate, detailed decor molding, while a modern-style home may benefit from simpler, more streamlined decor molding.

How to Install Decorative Wall Molding?

Installing decorative wall molding is a great way to refresh or add a touch of elegance to your room. Here is a general guide on how to install decorative wall molding:


  1. Measuring tape
  2. Regular level
  3. Sturdy lever
  4. Miter saw
  5. Nail gun and finishing nails
  6. Wood glue
  7. Sandpaper
  8. Paint and trim brush


decorative wall molding

Measure the length and width of the walls where the decor molding will be installed. Determine how much decor mold you'll need, taking into account the styles and type of molding you've chosen.

Cut the decorative molding to the desired lengths and angles by using a miter saw. Be sure to measure twice before cutting. Don’t forget to cut boards outside or in the garage because it will create a lot of dust. 

Mark the position and apply wood glue to the back of each piece of decor molding before attaching it to the wall. Check that your calculations for the height and width of the space inside the frame are still correct.

Use a nail gun or hammer and finishing nails to attach the molding to the wall. Nail at an angle towards the ceiling or floor to hide the nail heads.

Once the wall molding is installed, you’ll need to fill any gaps or nail holes with wood filler and sand down the surface of the decorative molding to create a smooth finish. Wipe up any excess at the corners with gloves.

The last step is to paint or stain the decor molding to match the surrounding walls or to create a contrasting accent.


  • If you're new to molding installation, start with a simpler design before moving on to more complex patterns or shapes.
  • Take your time and be patient. Precision is essential for producing a professional-looking finish.
    To ensure that your molding is straight and even, use a level.
  • If you're unsure of your abilities or lack the necessary tools, consider hiring a professional installer.

Find All You Need for Decor Molding Supply

Bestsuppliers stocks a wide range of quality decor molds provided by outstanding suppliers and manufacturers in China, ensuring you find the exact type of decor molding you want and need. From simple casing molding to picture rail molding , you can get whatever you want at cheapest wholesale prices.
With more than 30 years of B2B trading experience, Bestsuppliers can provide various materials and tools on all types of construction projects. Visit our online website today to look through our decorative moldings and accessories. If you have any questions about any of our products, please comment below or directly contact us here.

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