APA Rated Structural 1 OSB Exposure 1 panels are high-performance engineered structural wood panels designed for demanding residential and commercial construction applications. Manufactured from precision-oriented wood strands bonded with moisture-resistant, low-emission adhesive systems, these panels provide exceptional strength, stiffness, and dimensional stability for roof, wall, and subfloor applications.

Structural 1 panels are specially engineered to provide enhanced racking resistance and superior cross-panel strength, making them ideal for high-load and shear wall applications where additional structural performance is required. Engineered to meet rigorous APA Performance Rated Standards, Exposure 1 OSB panels are designed to withstand normal moisture exposure and weather conditions during construction delays while maintaining dependable structural integrity.

The cross-oriented strand construction delivers consistent strength in both directions, along with excellent fastener-holding capability and resistance to warping and deflection. APA-certified panels are quality tested for structural performance, bond durability, and code compliance. Panels are manufactured using low-emission resin systems that meet recognized North American formaldehyde emission standards, including CARB compliance requirements.

Features:

• APA Rated Structural 1 and code recognized
• Enhanced racking resistance and cross-panel strength
• Exposure 1 classification for temporary weather and moisture exposure during construction
• Strong, stable cross-oriented strand construction
• Excellent nail and fastener holding strength
• Low-emission, moisture-resistant adhesive technology
• Meets recognized formaldehyde emission standards
• Ideal for roof sheathing, wall sheathing, subfloor, and shear wall applications
• Available in multiple thicknesses and span ratings
• Sustainable engineered wood product made from renewable resources

Important Information:

Exposure 1 Structural 1 OSB panels are designed for applications that may experience temporary exposure to moisture or weather during construction. They are not intended for permanent outdoor exposure or long-term weather conditions. For continuous exterior applications, an Exterior-rated panel is recommended.

Strong, versatile, and contractor trusted, APA Rated Structural 1 OSB Exposure 1 panels deliver dependable performance for demanding structural applications and everyday construction needs.