OSB3 Interior
Combining strength, moisture resistance, and sustainability for versatile structural and decorative applications in humid environments.

About OSB3 Interior
OSB3 Interior is a high-performance engineered wood panel crafted by compressing layers of wood strands in specific orientations, bonded with moisture-resistant adhesives. Designed for load-bearing applications in humid conditions, OSB3 Interior offers a robust and sustainable solution for both structural and decorative uses.
Why Choose Our OSB3 Interior?
Moisture Resistance
Engineered to withstand humid conditions, making it ideal for interior applications where moisture is a concern.
High Strength and Stability
Offers excellent load-bearing capacity and dimensional stability, ensuring long-term performance.
Versatility
Suitable for a wide range of applications, from structural components to decorative elements.
Eco-Friendly
Manufactured using sustainable materials and processes, contributing to environmentally responsible building practices.
Cost-Effective
Provides a budget-friendly alternative to traditional plywood without compromising on quality.
Specifications & Customization
Standard Sizes
Typically 2440 mm × 1220 mm, with custom sizes available.
Thickness Range
Commonly from 9 mm to 25 mm.
Density
Approximately 600–700 kg/m³.
Formaldehyde Emission Standards
Compliant with E1 standards.
Surface Finish
Smooth, suitable for painting or lamination.
Edge Profile
Square edge or tongue and groove options.
Applications of OSB3 Interior

Interior Wall Sheathing
Provides structural support and a smooth surface for finishing.

Flooring Substrate
Acts as a stable base for various flooring materials.

Roof Decking
Suitable for use under roofing materials in humid environments.

Furniture Manufacturing
Ideal for creating cabinets, shelves, and other furniture components.

Decorative Panels
Can be used as an exposed surface for a rustic or industrial aesthetic.
FAQ
What distinguishes OSB3 Interior from other OSB types?
OSB3 Interior is specifically designed for load-bearing applications in humid conditions, offering enhanced moisture resistance compared to OSB2, which is intended for dry environments.
Can OSB3 Interior be used in exterior applications?
While OSB3 is moisture-resistant, it is primarily intended for interior use in humid conditions. For exterior applications, OSB4 or specially treated panels are recommended.
Is OSB3 Interior environmentally friendly?
Yes, OSB3 Interior is manufactured using sustainable wood sources and complies with low formaldehyde emission standards, making it an eco-friendly choice.
Can OSB3 Interior be painted or laminated?
Absolutely, its smooth surface is suitable for painting, laminating, or applying veneers, allowing for various aesthetic finishes.
What tools are needed to work with OSB3 Interior?
Standard woodworking tools such as saws, drills, and sanders can be used effectively with OSB3 Interior.
How does OSB3 Interior compare to plywood?
While both are used in similar applications, OSB3 Interior offers a more uniform structure and is generally more cost-effective than plywood, with comparable strength and durability.
More Support
Packaging & Delivery
How to quickly and safely deliver the Plywood products you ordered to the designated location? You can choose from the following methods.
Packaging & Delivery
How to quickly and safely deliver the Plywood products you ordered to the designated location? You can choose from the following methods.
Plywood Core
In order to adapt to different working scenarios, we provide the following plywood cores for you to choose.
Plywood Core
In order to adapt to different working scenarios, we provide the following plywood cores for you to choose.

Glue Types
In order to adapt to different environments and scenarios, we provide a variety of plywood glue for you to choose.
Glue Types
In order to adapt to different environments and scenarios, we provide a variety of plywood glue for you to choose.
Plywood Certificate
To give you more peace of mind, we have obtained a variety of certifications to meet your needs.
Plywood Certificate
To give you more peace of mind, we have obtained a variety of certifications to meet your needs.
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Contact Us for Bulk Orders & Custom OSB3 Interior Solutions
Partner with Shandong Fortuna International Trade Co., Ltd., one of China’s largest OSB3 Interior manufacturers, and secure premium OSB3 Interior for your business.
Contact Us Now for bulk pricing, free samples, and customized solutions!
Contact us today for the best OSB prices and free samples!