
Exterior plywood is weather (and water) resistant, so it's strong enough to be used outside and also in areas that are exposed to water and humidity, like a garage. Our 18mm Exterior Plywood is engineered for superior strength, weather resistance, and long-lasting performance. Ideal for outdoor and structural applications, this plywood is crafted to meet international standards, ensuring reliability for construction, furniture, and industrial uses.
The construction of exterior plywood is as the following:
Face/back: Birch, Pine, Okoume, Meranti, Luan (Lauan), Bingtangor, Red Canarium, Red Hardwood, hardwood, poplar and so on.
Core: poplar, hardwood, birch
Glue: WBP glue, E1 glue
Size: 1220X2440mm (4′ x 8′), 1250X2500mm
Thickness: 2.0mm-30mm ( 2.0mm / 2.4mm / 2.7mm / 3.2mm / 3.6mm / 4mm / 5.2mm / 5.5mm / 6mm / 9mm / 12mm / 15mm / 18mm / 21mm-30mm or 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1" )
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Technical Parameter |
Moisture Content 6%~12% |
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Water Absorption ≤10% |
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Modulus of Elasticity ≥5000Mpa |
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Static Bending Strength ≥30Mpa |
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Surface Bonding Strength ≥1.60Mpa |
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Internal Bonding Strength ≥0.90Mpa |
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Screw Holding Ability: Face ≥1900N; Edge ≥1200N |

Types of Exterior Plywood
There are many types of exterior plywood to choose from - the most common being CDX or ACX. Exterior plywood is marked with an X to denote this use and the construction grade is in the first two letters; the first letter refers to the front of the plywood and the second refers to the back.
- A is a premium grade that can be used on cabinetry or other higher-end uses where appearance is crucial.
- CDX is a more affordable, construction grade option that is still sturdy and will not crumble after a rainstorm.
The layers can be made from veneers, high-density hardwood, or light hardwood.
Key Features

High-Quality Material
Core Veneers: Hardwood (Eucalyptus, Poplar, or Birch) or Softwood (Pine), layered for optimal stability.
Face/Back Veneers: Smooth, knot-free hardwood or film-coated for enhanced durability.
Glue Type: WBP (Water Boil Proof) phenolic resin glue, ensuring waterproof performance.
Advanced Manufacturing Process
Hot-Pressing Technology: High-pressure bonding for uniform density and strength.
Sandblasted or Sanded Surface: Smooth finish for easy painting/varnishing.
E0/E1 CARB P2 & FSC Certified: Eco-friendly, low formaldehyde emissions.


Weather & Pest Resistant
Treated against rot, fungi, and termites (optional).
Withstands humidity, rain, and temperature fluctuations.
Products Application
✔ Outdoor Structures: Roofing, fencing, sheds, and pergolas.
✔ Construction: Concrete formwork, subfloors, wall sheathing.
✔ Furniture: Garden furniture, cabinets, and marine applications.
✔ Industrial Uses: Packaging, shipping crates, and signage boards.


Why Choose US
For your costs and profits
In a competitive market, competition can cut into your profits significantly. So we can either support you by lowering prices or break the competitive landscape with a differentiated new product.
- By streamlining the production process, we can offer top-notch products with lower expenditure.
- We really focus on continuous innovation to ensure every item is of top-notch quality with great potential for business growth.
For your quality
- In our industry, we've carefully picked a number of raw material suppliers. We can trace and guarantee the output of high-quality materials, so you can trust our products are always made with good stuff.
For any inquiries, product consultations, or after-sales support you may need, we are here to assist you!
You can reach us through the following channels:
Tongcheng Plaza, Jianshe Road, Pizhou, Jiangsu, China
+86-15190733969
WhatsApp:+8618120032215

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