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Wall Molding Installation Methods: DIY Wall Molding Guide

  • Jun 21, 2023
  • 3 min read

Updated: May 21

Wall moldings add a different atmosphere to living spaces. They stand out as a simple yet effective decoration method. For those who want to beautify their homes, moldings offer both style and functionality. Polyurethane moldings, in particular, provide both durability and aesthetics.


What is Wall Molding and Why is it Preferred?


Wall molding is a thin, long decorative piece applied to a wall surface. It is usually made of polyurethane, wood, or MDF. Its purpose is to add movement and depth to the wall.


  • Wall moldings liven up empty and plain walls.

  • It adds a classic or modern touch to the room.

  • It's easy to apply and delivers results quickly.

  • Polyurethane moldings are lightweight and durable.

  • Its paintable nature allows it to match any color you desire.


These features make moldings a popular choice in home decor.


Eye-level view of a white wall with decorative wall moldings
A soft beam of sunlight casts gentle shadows on a pristine white wall, highlighting the detailed molding in a serene, minimalist space.

Wall Molding Application Methods


There are some basic steps to keep in mind when installing wall moldings. Here are some simple and effective methods:


  1. Prepare the wall.

    The wall must be clean and dry. Remove dust, dirt, and old paint residue. Smooth any rough surfaces with sandpaper.


  2. Measure and Cut the Strips

    Cut the strips to fit the wall dimensions. You can use a thin saw or a utility knife for cutting. Getting the measurements right is important.


  3. Apply Adhesive

    Use special adhesive for polyurethane trim. Apply a thin layer to the back of the trim. Wipe away any excess adhesive immediately.


  4. Place the slats against the wall.

    Press the adhesive-coated strips against the wall. Make sure they are straight and aligned. If necessary, reinforce them with small nails.


  5. Fill in the blanks

    Fill the gaps between the slats with putty. After it dries, sand the surface to make it smooth.


  6. Painting

    You can paint the moldings and the wall with paint in your desired color. Use a paint brush or roller. Two coats of paint will give better results.


By following these steps, you can create a professional-looking wall molding installation.


Material Selection and Tools


The right materials and tools will make your job easier. Here's what you need:


  • Polyurethane strips (lightweight and durable)

  • Measuring tape and pen

  • A fine saw or utility knife.

  • Polyurethane adhesive

  • Putty and sandpaper

  • Paint and brush or roller

  • Spirit level (for alignment)


Prepare the materials beforehand. This way you won't waste time during the application process.


Close-up view of polyurethane wall moldings and tools on a wooden surface
A sunlit corner of a room showcases a set of painting tools resting on a wooden floor, highlighting a freshly painted baseboard with crisp, clean lines.

Wall Molding Design Ideas


Wall molding isn't just about straight lines. You can experiment with different designs:


  • Square and Rectangular Frames

Install square or rectangular strips along specific sections of the wall. Ideal for bookshelves or behind a television.


  • Horizontal Strips

Use horizontal slats to make the room appear larger. This is especially popular in small rooms.


  • Vertical Slats

Use vertical slats to make the ceiling appear higher. Opt for long, thin slats.


  • Mixed Designs

Create different patterns by combining square and horizontal strips. Reflect your own style.


  • Colorful Painting

Create contrast by painting the moldings different colors, such as a white wall and dark moldings.


These ideas help add a different atmosphere to your home.


Post-Application Care and Cleaning


Maintenance is important after wall molding installation is complete. To ensure its longevity, pay attention to the following points:


  • Regularly wipe away dust and dirt buildup with a damp cloth.

  • Avoid harsh chemicals; use mild soapy water.

  • If the paint fades over time, apply a thin coat to refresh it.

  • If the trim pieces are damaged, make minor repairs. They can be easily repaired with putty and paint.


With these simple maintenance methods, the slats will stay looking great for a long time.


Final Tips for DIY Wall Molding


Installing wall molding requires some patience and attention. But the result will make you happy. If it's your first time, try it on a small area first. Take the measurements carefully, and don't use too much adhesive. Complete each step without rushing.



Remember, wall moldings add value to your home. Making them yourself will save you money and be enjoyable. Now gather your materials, follow the steps, and renovate your living space.



With this guide, you now have comprehensive information about wall molding application methods. You can start beautifying your home right away. Good luck!

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