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Durability Showdown: Plywood vs Plyboard for Outdoor and Indoor Use

Plywood vs Plyboard

When it comes to choosing the right material for your construction or furniture needs, plywood and plyboard (also called MDF or medium-density fiberboard) often come up in the conversation. Both materials have their advantages, but they also have distinct properties that make them more suited to different environments, especially when it comes to durability for outdoor and indoor use. This article will explore the differences between plywood vs plyboard, focusing on their durability, applications, and performance in different settings.

What is Plywood?

Plywood is a type of engineered wood made from thin layers or “plies” of wood veneer that are glued together. The grains of each layer are oriented perpendicular to the ones adjacent to it, which gives the material its strength and durability. Plywood comes in various types, from softwood to hardwood, and is used for a range of applications, including furniture making, flooring, and construction.

What is Plyboard?

Plyboard, on the other hand, is made from compressed wood fibers, resins, and adhesives. Unlike plywood, plyboard is not made from veneer but rather from finely ground wood that is formed into sheets. It is also known as MDF (Medium-Density Fiberboard) or HDF (High-Density Fiberboard), depending on the density of the fibers. Plyboard is often used in applications like cabinetry, paneling, and furniture, but it is generally more affordable than plywood.

Key Differences Between Plywood and Plyboard

To understand the durability showdown between plywood vs plyboard, let’s break down some of the key differences between the two materials:

Property Plywood Plyboard (MDF)
Composition Layers of wood veneer glued together Compressed wood fibers with resin and adhesive
Density High-density, more durable Medium to low density, less durable
Strength Stronger and more flexible Weaker and more rigid
Water Resistance Water-resistant, especially with treatment Poor water resistance
Durability Very durable, ideal for outdoor use Less durable, suitable for indoor use
Cost Generally more expensive More affordable
Weight Heavier than plyboard Lighter than plywood
Surface Finish Can be sanded and stained easily Smooth surface but harder to finish

Durability of Plywood vs Plyboard for Outdoor Use

When it comes to outdoor applications, durability is crucial. Factors like moisture, temperature fluctuations, and exposure to the elements can have a significant impact on the longevity of your materials. Let’s explore how plywood and plyboard hold up in outdoor conditions.

Plywood for Outdoor Use

Plywood is generally more durable and versatile for outdoor use. Since it is made from layers of wood veneer, it has a higher level of strength and can withstand harsh weather conditions. Plywood is naturally resistant to warping, cracking, or splitting, especially when it is treated with waterproofing sealants or finishes. Exterior-grade plywood, specifically, is designed to be more resistant to moisture, making it suitable for outdoor furniture, decking, and even boat building.

However, it is important to note that while plywood performs better outdoors than plyboard, it still requires proper maintenance and sealing to prevent water damage and deterioration over time.

Plyboard for Outdoor Use

Plyboard, or MDF, is not a great choice for outdoor use because it lacks the moisture resistance that plywood offers. When exposed to water, plyboard tends to swell and weaken, which makes it less reliable for outdoor applications. Although it might work for temporary outdoor use or in covered areas, it is not recommended for direct exposure to rain, humidity, or other harsh weather conditions.

Durability of Plywood vs Plyboard for Indoor Use

For indoor applications, the choice between plywood and plyboard largely depends on the specific requirements of the project. Both materials can be suitable, but they perform differently in terms of strength, finish, and overall durability.

Plywood for Indoor Use

Plywood is an excellent choice for indoor use due to its strength and versatility. It can handle heavy loads, resist wear and tear, and maintain its structural integrity over time. Whether you’re building furniture, cabinets, or flooring, plywood is a reliable material. Plywood can also be easily stained or painted, making it a popular option for projects where aesthetics are important.

Additionally, plywood’s resistance to warping, splitting, and expansion due to humidity makes it an ideal option for indoor environments with fluctuating temperature and moisture levels. This makes it a preferred choice for applications like cabinetry and furniture construction.

Plyboard for Indoor Use

Plyboard, or MDF, is widely used in indoor applications due to its smooth surface and ease of finishing. It is particularly popular for creating intricate carvings, moldings, and detailed furniture pieces because it provides a consistent and smooth texture. Plyboard is also easy to cut and shape, making it ideal for projects that require a fine finish.

However, plyboard is not as durable as plywood, especially when subjected to impact or heavy loads. While it is suitable for light-duty indoor applications like shelving, cabinetry, and paneling, it can dent and scratch easily. Additionally, plyboard is more susceptible to damage from moisture, which can lead to swelling and warping if exposed to high humidity.

Pros and Cons of Plywood vs Plyboard

To further clarify the decision-making process, here are the pros and cons of each material:

Pros of Plywood

  • Durable and strong: Ideal for heavy-duty use, especially in outdoor applications.
  • Water-resistant options: Available in exterior-grade varieties for outdoor use.
  • Versatile: Suitable for both structural and decorative purposes.
  • Resistant to wear and tear: Long-lasting in both indoor and outdoor settings.
  • Environmentally friendly: Made from natural wood sources.

Cons of Plywood

  • More expensive: Costs more than plyboard, especially higher-grade types.
  • Heavier: Plywood can be bulkier and more difficult to handle for certain projects.
  • May require finishing: Needs to be sealed for optimal performance, especially in outdoor environments.

Pros of Plyboard

  • Cost-effective: More affordable than plywood, making it a good option for budget-friendly projects.
  • Smooth finish: Ideal for painting and detailed work.
  • Lightweight: Easier to handle and install for smaller projects.

Cons of Plyboard

  • Less durable: Not suitable for high-stress or outdoor applications.
  • Moisture-sensitive: Swells and deteriorates when exposed to water or high humidity.
  • Less strength: Can break or crack under pressure or impact.

Applications of Plywood vs Plyboard

Here is a breakdown of the typical applications for plywood and plyboard in both outdoor and indoor settings:

Material Outdoor Applications Indoor Applications
Plywood Decking, exterior furniture, sheds, boats Furniture, flooring, cabinets, paneling
Plyboard Not recommended for outdoor use Shelving, cabinetry, decorative pieces

Conclusion

The choice between plywood vs plyboard ultimately depends on the specific needs of your project. For outdoor applications, plywood is the clear winner due to its strength, water resistance, and durability. It is ideal for construction, decking, and furniture that will be exposed to the elements.

For indoor use, plyboard may be a more affordable option for decorative pieces, cabinetry, and shelving. However, when strength and long-term durability are a priority, plywood remains the better choice, especially for heavy-duty furniture or flooring.

Understanding the strengths and limitations of both materials will help you make an informed decision based on your needs, whether for a cost-effective indoor project or a durable outdoor installation.

Which Is Better For Outdoor Furniture, Plywood or Plyboard?

Plywood is better for outdoor furniture due to its superior moisture resistance and overall durability. Plyboard is not suitable for outdoor use because it swells and deteriorates when exposed to moisture.

Can I Use Plyboard For Making Cabinets?

Yes, plyboard is commonly used for cabinetry due to its smooth finish and ease of shaping. However, for heavy-duty or high-moisture areas, plywood would be a better choice.

Is Plywood More Expensive Than Plyboard?

Yes, plywood is generally more expensive than plyboard. This is because it is stronger, more durable, and has more versatile applications.

Can Plywood Be Used For Flooring?

Yes, plywood is often used for subflooring or even for hardwood flooring due to its strength and ability to withstand heavy loads.

How Do I Finish Plywood For Outdoor Use?

To make plywood suitable for outdoor use, you should seal it with a waterproof finish, such as varnish or polyurethane, and maintain it regularly.