Understanding Plywood Types
Different plywood types serve various purposes based on application and exposure conditions.
- Standard Plywood General purpose, interior use. Various grades available.
- Marine Grade Water-resistant, high-quality. Ideal for exterior and wet conditions.
- MDO Plywood Medium Density Overlay. Smooth surface, excellent for painting.
- Pressure Treated Chemical treatment for rot resistance. Ground contact applications.
- Cabinet Grade High-quality appearance. Furniture and cabinetry applications.
Installation Best Practices
Proper Support
Use adequate framing support. Follow span ratings for thickness.
Fastening
Use appropriate fasteners. Space correctly for application.
Gap Allowance
Leave expansion gaps. Account for moisture movement.
Surface Preparation
Clean and level substrate. Use proper underlayment.
Grade Selection
- A-Grade Highest quality face. Sanded smooth, minimal repairs.
- B-Grade Solid surface. Some repairs allowed.
- C-Grade Utility grade. Knots and repairs acceptable.
- D-Grade Lowest grade. Major defects allowed.
Maintenance & Care
Moisture Control
Protect from water damage. Use proper sealants.
Surface Protection
Apply appropriate finishes. Maintain protective coatings.
Ventilation
Ensure proper air circulation. Prevent moisture buildup.
Repairs
Address damage promptly. Use appropriate repair methods.
Environmental Considerations
- Sustainable Sourcing Look for FSC certification. Consider recycled content.
- VOC Emissions Check formaldehyde levels. Use low-emission products.
- Waste Reduction Optimize cutting patterns. Reuse cutoffs when possible.
- End-of-Life Consider recyclability. Proper disposal methods.
Advanced Applications
- Structural Design Load calculations. Shear wall applications.
- Curved Surfaces Bending techniques. Radius limitations.
- Sound Control Acoustic properties. Multi-layer systems.
- Fire Resistance Rated assemblies. Code requirements.