The Science Behind Machine Grading: What Makes MGP12 So Reliable

MGP12 denotes machine-graded pine with a structural capacity of 12,000 MPa. It is sourced from plantation-grown radiata pine and is primarily dry, making it suitable for structural and outdoor applications. 

Machine grading ensures that each piece meets strict strength and stiffness standards, providing consistent quality and reliability for construction purposes. 

Unlike visual grading, machine grading relies on precise measurements to confirm compliance with Australian building standards.

Performance and Durability

MGP12 is kiln-dried, which reduces moisture content and improves dimensional stability. This process enhances resistance to warping, cracking, and movement over time. The timber is also treated to resist rot, termites, and general weathering, making it suitable for both indoor and outdoor use. 

Its consistent strength allows it to handle heavy loads, ensuring structural stability in joists, and roof framing.

Key Advantages of MGP12

MGP12 offers high resistance and durability while remaining versatile and affordable. Its structural performance supports long spans and heavy loads, reducing deflection and structural movement. Machine grading guarantees predictable performance across all pieces, lowering the risk of weak points in a build. The timber’s natural strength combined with proper treatment makes it a reliable choice for long-term projects.

Applications of MGP12

MGP12 is suitable for a wide range of structural and outdoor applications. It performs well in areas exposed to varying moisture, heat, or other environmental factors, providing long-term stability and resistance to wear. Common uses include:

• Decks and pergolas.
• Handrails and framing.
• Joists, and roof supports.

Considerations

While MGP12 is stronger and more durable than lower grades, it is heavier and slightly more expensive than MGP10. Proper handling and sourcing from reliable suppliers are important. Even with treated and kiln-dried timber, additional protection against termites and moisture is recommended for maximum longevity.

Summary

MGP12 is a reliable, high-strength timber that combines machine-graded consistency with durability for indoor and outdoor use. Its kiln-dried and treated properties ensure resistance to rot, termites, and weathering. 

Timber Central supplies high-quality MGP12 suitable for decks, pergolas, framing, and other structural applications, offering both strength and long-term performance for Australian construction projects.

Timber Central

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