When it comes to construction, the materials you choose can make a significant difference in the quality and longevity of your project. Plywood, known for its versatility and strength, is a staple in the construction industry.
However, not all plywood is created equal. Selecting the correct type of plywood depends on your specific needs, whether you’re building a home, a deck, or finishing an interior space.
At Capitol City Lumber, we offer a variety of popular types of construction plywood to meet your specific project requirements. Our team is here to help you make an informed decision for your next project.

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ACX Construction Plywood
ACX Plywood is a high-grade plywood often used when the material is exposed to the elements or needs a clean, smooth finish.
Pros of ACX Plywood
- Smooth Surface: The A-grade face of ACX Plywood is sanded smooth, making it ideal for painting or staining.
- Moisture Resistant: This plywood is built to handle moisture, making it suitable for exterior projects.
- Long-Lasting: ACX Plywood is durable, offering reliable performance in challenging conditions.
Cons of ACX Plywood
- Limited Availability: Depending on your project’s requirements, it may not always be available in all sizes and thicknesses.
- Higher Price Point: The superior quality of ACX Plywood means it comes at a higher cost than some other types.
Best Use Scenarios for ACX Plywood
- Exterior Sheathing: ACX Plywood is perfect for projects where the material will be exposed to the elements, such as exterior walls and roofs. Its moisture-resistant properties ensure it holds up well against weather conditions.
- Siding and Outdoor Furniture: Whether you’re siding a home or building outdoor furniture, ACX Plywood’s smooth surface makes it easy to apply finishes that protect and enhance the project’s look.
- Boat Building: Due to its water-resistant nature, ACX Plywood is often used in boat construction, especially for smaller boats where the wood is exposed to water.
CDX Construction Plywood
CDX Plywood is a versatile and cost-effective option widely used in construction due to its strength and affordability.
Pros of CDX Plywood
- Affordable: CDX Plywood provides good performance without a high price tag.
- Strong and Sturdy: It’s durable enough for load-bearing applications, making it a go-to for structural projects.
- Wide Range of Uses: This plywood is commonly used in various construction settings, from residential to commercial projects.
Cons of CDX Plywood
- Rough Finish: CDX Plywood has a rougher surface that might need additional work for specific applications.
- Less Effective Against Moisture: While it offers some moisture resistance, there are better choices for environments with high humidity.
Best Use Scenarios for CDX Plywood
- Roof Decking: CDX Plywood is commonly used for roof sheathing, providing a strong, durable base for roofing materials. Its structural integrity ensures that it can support heavy loads.
- Wall Sheathing: Suitable for both interior and exterior walls, CDX Plywood is a go-to choice for many builders. It offers the right balance of strength and cost, making it ideal for large-scale construction projects.
- Subflooring: When providing a sturdy base for flooring installations, CDX Plywood delivers the necessary strength to support the weight and usage of finished floors.
Treated Construction Plywood
Treated YPT Plywood is specially treated to resist rot, decay, and insect damage, making it perfect for outdoor and moisture-prone environments.
Pros of Treated Plywood
- Resistant to Decay: Treated Plywood is designed to withstand moisture, rot, and insects, making it a reliable choice for outdoor projects.
- Durable: It offers a long-lasting solution for areas exposed to the elements.
- Versatile Applications: Can be used in various settings, from decking to exterior walls.
Cons of Treated Plywood
- Heavier Weight: The treatment process adds weight, making handling it harder.
- Special Fasteners Required: Special fasteners may be needed to prevent corrosion, which could add to your costs.
Best Use Scenarios for Treated Plywood
- Outdoor Decking: Treated Plywood is an excellent choice for deck construction, providing a durable, rot-resistant base that can handle outdoor exposure.
- Exterior Walls and Foundations: Treated Plywood protects your home’s structure in areas prone to moisture or termite activity.
- Garden Structures: For building garden beds, sheds, or fencing, Treated Plywood offers the durability needed to withstand the elements and ensure long-term use.
Frequently Asked Questions
What’s the difference between ACX and CDX plywood? Â
ACX Plywood is a higher-grade plywood with a smooth, sanded surface, ideal for projects that require a fine finish, like painting or staining. CDX Plywood, on the other hand, is a more cost-effective option with a rougher surface, commonly used in structural applications like roof decking or wall sheathing.
Can I use Luan Plywood for exterior projects? Â
Luan Plywood is not recommended for exterior use as it needs the moisture resistance required for outdoor environments. It’s best suited for interior applications like paneling or as an underlayment for flooring.
Why should I choose Treated Plywood for my deck?Â
Treated Plywood is designed to resist rot, decay, and insect damage, making it an excellent choice for outdoor projects like decking. It’s built to withstand the elements, ensuring your deck remains durable over time.
Find the Right Plywood For Your Project at Capitol City Lumber
Selecting the right plywood for your construction project is vital to achieving the best results. Capitol City Lumber offers a wide range of plywood options, each with its own advantages. Whether tackling an exterior project with Treated Plywood or finishing an interior space with Luan Plywood, we have the materials you need to get the job done right.
Visit Capitol City Lumber today to explore our full range of construction plywood and get expert advice on the best materials for your next project. Our team is here to help you choose the right plywood to ensure your project’s success.