What Plywood Should I Use For Walls?

If you’re planning to renovate your home or start a new construction project, one important decision you’ll have to make is choosing the right material for your walls. While drywall is a popular choice, plywood is becoming increasingly popular due to its durability and versatility. But with so many options available, it can be overwhelming to determine which plywood is best for your walls.

In this blog post, we’ll explore the different types of plywood that are commonly used for interior walls. We’ll discuss the benefits of plywood over other materials like drywall or MDF, the various finishes you can apply to plywood walls, and tips on how to make them look good. We’ll also dive into the topic of wall sheathing and whether or not you need plywood under your siding.

So, if you’re ready to learn more about plywood and make an informed decision for your walls, keep reading!

What Plywood Should I Use For Walls

What Plywood Should I Use For Walls

Are you planning to give your walls a fresh new look but feeling overwhelmed by the wide range of plywood options available? Don’t worry, I’ve got you covered! In this guide, I’ll walk you through the various types of plywood you can use for your walls, so you can make an informed decision without getting lost in a sea of choices.

Understanding Different Plywood Grades

Before diving into the specifics, let’s take a quick look at plywood grades. Plywood is classified into different grades based on its quality, appearance, and suitability for different applications. The most common grading system in the United States is the APA (American Plywood Association) grading system, which grades plywood from A to D, with A being the highest quality.

A-Grade Plywood: The Best Bang for Your Buck

If you’re looking for plywood that strikes the perfect balance between price and quality, A-grade plywood should be your go-to choice. It’s often referred to as cabinet or finish-grade plywood because of its smooth and consistent finish. A-grade plywood is made with minimal imperfections, such as knots or patches, making it ideal for walls where appearance matters.

B-Grade Plywood: A Budget-Friendly Option

If you’re working with a tight budget but still want a decent quality plywood for your walls, B-grade plywood might be the right fit for you. While it may have more imperfections compared to A-grade, such as small knots and repairs, it’s still a reliable choice that won’t break the bank. B-grade plywood is commonly used in construction and can provide good structural support for your walls.

C-Grade Plywood: The Utility Player

If you’re not too concerned about aesthetics and simply need plywood for structural purposes, C-grade plywood is worth considering. It’s perfect for hidden areas behind walls or in utility spaces where appearance is not a priority. C-grade plywood may have larger knots, repairs, and discoloration, but it still offers decent strength and stability.

D-Grade Plywood: Rarely Used for Walls

D-grade plywood is the lowest grade in terms of appearance and quality. It’s typically used in areas where strength is more important than looks, such as subflooring or roof decking. D-grade plywood is not recommended for walls, as it may have visible defects that could impact the overall visual appeal.

Plywood Thickness: Size Matters

Apart from choosing the right grade, you also need to consider the appropriate thickness for your plywood walls. The thickness of plywood typically ranges from 1/8 inch to 3/4 inch. As a general guideline, for interior walls, plywood between 1/4 inch and 1/2 inch thick should suffice. Thicker plywood may be necessary for specific purposes, such as soundproofing or increased structural integrity.

Wrapping Up

Now that you have a better understanding of different plywood grades and thicknesses, you can confidently choose the right plywood for your walls. Remember, A-grade plywood is perfect for a polished finish, while B-grade offers good quality on a budget. If you prioritize utility over appearance, C-grade plywood will do the job just fine. Avoid using D-grade plywood for walls, as it’s better suited for other applications. So go ahead, pick the plywood that suits your needs, and give your walls the makeover they deserve!

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What Plywood Should I Use For Walls

FAQ: What Plywood Should I Use For Walls


Which is better: MDF or plywood?

When it comes to choosing between MDF (Medium Density Fiberboard) and plywood for your walls, it ultimately depends on your specific needs. MDF is known for its smooth surface and is great for painting, but it may not hold up as well to moisture and humidity. On the other hand, plywood is more durable and resistant to water, making it a better choice for areas prone to moisture.

What insulates better: drywall or plywood?

While plywood offers some insulation properties, drywall is generally better at insulating your walls. Drywall acts as a barrier against temperature changes, keeping your indoor environment more comfortable. If insulation is a top concern, it’s best to use drywall with added insulation material, such as fiberglass or foam.

What type of plywood is waterproof?

If you’re looking for waterproof plywood for your walls, marine plywood is your best bet. Marine plywood is specially designed to withstand exposure to water and moisture, making it suitable for applications in high-humidity areas like bathrooms or kitchens.

How do you make plywood walls look good?

To make plywood walls look good, you can consider the following tips:

  1. Sand the surface: Start by sanding the plywood to achieve a smooth finish.
  2. Stain or paint: Apply a stain or paint of your choice to enhance the appearance and protect the plywood.
  3. Add texture: Consider adding texture to the plywood walls with techniques like paneling or faux finishes.
  4. Use decorative elements: Incorporate decorative elements like trim, molding, or wallpaper to elevate the visual appeal.

What type of plywood is used for interior walls?

For interior wall applications, you’ll typically want to use ACX plywood. ACX plywood is made with a high-quality face veneer, ensuring a pleasing aesthetic when used for exposed walls. It is also durable and capable of withstanding normal wear and tear.

How do you finish interior plywood walls?

To finish interior plywood walls:

  1. Sand the surface: Start by sanding the plywood to achieve a smooth finish.
  2. Prime the walls: Apply a coat of primer to seal the plywood and improve paint adhesion.
  3. Paint or stain: Use a paintbrush or roller to apply your desired paint or stain color to the plywood walls. Consider multiple coats for better coverage.

What is the cheapest type of plywood?

When it comes to affordability, the cheapest type of plywood is typically CDX plywood. Although it may not offer the same aesthetic appeal as other premium options, it still serves as a practical choice for construction projects where appearance is not a top priority.

What can I use instead of plywood?

If you’re looking for alternatives to plywood, you can consider these options:

  • OSB (Oriented Strand Board): Similar to plywood, OSB is made from wood strands bonded together. It is cost-effective and suitable for various applications.
  • Gypsum Board: Also known as drywall, gypsum board is a popular choice for wall construction due to its affordability and ease of installation.
  • Fiber Cement Board: Made from a mixture of cement, sand, and cellulose fibers, fiber cement board is a durable and fire-resistant alternative to plywood.

Can I use plywood for interior walls?

Yes, plywood can be used for interior walls. It provides stability, strength, and acts as a good base for paints or finishes. Be sure to choose the appropriate type of plywood and finish it accordingly to achieve the desired aesthetic.

Can plywood be finished like drywall?

While plywood can be finished similarly to drywall, there are some differences to keep in mind. Plywood may require more preparation, such as sanding and priming, to ensure a smooth surface for paint or other finishes. Additionally, plywood’s natural grain and texture may still be visible after finishing, giving it a unique look compared to the smooth finish of drywall.

Can you put plywood on walls?

Absolutely! Plywood can be a great choice for wall coverings. It offers versatility and can be used as a beautiful and durable alternative to traditional drywall. With proper installation and finishing, plywood walls can add warmth and character to any space.

What is the purpose of wall sheathing?

Wall sheathing serves several purposes, including:

  • Structural support: Wall sheathing provides strength and stability to the overall structure, enhancing its resistance to wind and seismic forces.
  • Insulation: Sheathing helps to improve the thermal performance of the walls by reducing heat loss or gain.
  • Moisture protection: Sheathing acts as a water-resistant barrier, preventing moisture intrusion that could lead to damage or mold growth.

Do I need plywood under siding?

Plywood under siding is not always necessary, but it can have several benefits. Plywood provides an additional layer of insulation, helps to create a flat and smooth surface for siding installation, and adds structural stability. It’s best to consult specific siding manufacturer guidelines and local building codes to determine if plywood is required in your situation.

Which brand of plywood is best?

Choosing the best brand of plywood depends on your specific requirements and preferences. However, some well-regarded plywood brands include Columbia Forest Products, Roseburg, and Georgia-Pacific. Remember to consider the intended use, grade, and thickness of plywood when selecting the brand that suits your needs.

Should I use MDF or plywood for a workbench?

When it comes to building a workbench, plywood is generally a preferred choice over MDF. Plywood offers greater strength and resistance to damage from heavy tools or impacts. It provides a more solid and durable surface, making it ideal for workbench applications where stability is crucial.

What are the three types of plywood?

The three common types of plywood are:

  1. Interior Plywood: Suitable for interior applications, it is typically used for furniture, cabinetry, and decorative paneling.
  2. Exterior Plywood: Designed for outdoor use, this type of plywood is treated to withstand moisture and weather conditions, making it ideal for construction projects.
  3. Marine Plywood: Specifically manufactured for water-related applications, marine plywood is highly resistant to water and rot, making it suitable for boats, docks, and other marine structures.

What do you put on plywood walls?

To enhance the look and protection of plywood walls, you can consider applying:

  • Paint: Choose a high-quality paint to provide both color and a protective layer.
  • Stain: Highlight the natural beauty of the plywood by applying a stain to enhance the wood grain.
  • Varnish: Apply varnish to plywood walls for added durability and to create a long-lasting finish.

How do you make plywood look good?

To make plywood look more visually appealing:

  • Sand the surface: Smooth out any imperfections by sanding the plywood before applying a finish.
  • Apply a finish: Use paint, stain, or varnish to enhance the appearance and protect the plywood.
  • Add texture or decorative elements: Incorporate paneling, wallpaper, or other textured finishes to add depth and style to the plywood walls.

How do I choose plywood?

Consider the following factors when choosing plywood:

  • Grade: Plywood is available in different grades, indicating its quality and appearance.
  • Intended use: Determine if the plywood will be exposed or hidden, as this impacts the desired aesthetics and performance.
  • Core type: Choose between veneer core, MDF core, or particleboard core, depending on your project’s needs.
  • Moisture resistance: Decide if the plywood will be used in a damp or high-humidity environment, requiring moisture-resistant or marine-grade plywood.
  • Thickness: Select the appropriate thickness of plywood based on the load-bearing requirements and structural needs of your project.

How thick should wall sheathing be?

The thickness of wall sheathing depends on various factors, including the local building codes and the specific application. However, the most commonly used thickness for wall sheathing is 1/2 inch or 5/8 inch. It’s important to consult the local building regulations and the recommendations of architects or engineers to determine the appropriate thickness for your project.

What is the best sheathing for walls?

For wall sheathing, oriented strand board (OSB) and plywood are the most commonly used materials. Both OSB and plywood have their advantages, such as strength, rigidity, and resistance to moisture. The choice between OSB and plywood typically depends on factors such as personal preference, local building codes, and cost considerations. Be sure to select a sheathing material that meets the requirements of your specific project.

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