Overview of Cross-Laminated Timber (CLT) and Timber Structure Standards Across the World

The article Overview of Cross-Laminated Timber (CLT) and Timber Structure Standards Across the World provides an in-depth analysis of the standards related to CLT and timber structures across various regions. It covers the manufacturing standards, performance requirements, and regional codes that govern the use of CLT in construction. The paper highlights the lack of harmonization between different countries and regions, with each adopting its own set of standards, including North America’s ANSI/APA PRG-320 and Europe’s EN-16351. This review offers valuable insights into the ongoing development of CLT standards and presents recommendations for future global standardization.

Key Takeaways

• CLT Growth: CLT has experienced exponential growth as a sustainable construction material, gaining popularity in regions like North America, Europe, and Japan.
• Standardization Challenges: There are significant differences in standards across the world, with no global harmonization, making cross-certification of CLT products difficult.
• Regional Standards: The paper reviews major standards, including ANSI/APA PRG-320 (North America), EN-16351 (Europe), JAS-3079 (Japan), and emerging standards in other regions like Australia and China.

How It Can Help You

This review is useful for architects, engineers, manufacturers, and policymakers interested in:

• Understanding the various CLT standards and how they differ across regions.
• Exploring the potential for harmonizing global standards to ease the adoption of CLT in construction projects worldwide.
• Learning about the future of CLT standardization and how it can impact the timber construction industry.

Key Learnings

1. Lack of Harmonization: The absence of a unified global standard for CLT makes cross-border trade and certification difficult, limiting the potential for global market expansion.
2. Regional Differences: CLT standards vary greatly between regions, with Europe and North America leading the way, but Asia and South America are beginning to adopt similar standards.
3. Global Standardization Potential: The development of a harmonized global standard could help streamline CLT manufacturing, increase adoption, and ensure consistent performance across the world.

Date: 2022§