I-Joist Standard Sizes
| Flange Width (mm) | 45 | 47 | 63 | 72 | 90 | 97 |
|---|---|---|---|---|---|---|
| Depth (mm) | 200 | 240 | 300 | 360 | 400 | 600 |
| Length are available by special manufacture up to 12 m | ||||||

I-Joist Beam Advantage
- Sustainable Materials: Made from sustainably-grown NZ plantation pine, ensuring environmentally responsible sourcing.
- Lightweight Design: Approximately 60-70% lighter than equivalent traditional timber sections, facilitating easier handling and installation.
- Structural Integrity: Combines structural LVL flanges with a plywood web for enhanced strength and stability.
- Versatility in Design: Available in a variety of section sizes and flange widths, catering to a wide range of architectural needs.
- Durability: Uses ‘Type A’ marine bond for superior long-term durability in structural applications.
- Dimensional Stability: Less prone to warping, twisting, or shrinking compared to traditional lumber, maintaining structural integrity over time.
- Compliance with Quality Standards: Manufactured in accordance with AS/NZS 4357 standards, ensuring reliable and consistent quality.
Application
- Floor framing: I-joists are commonly used for the main floor structure, providing a strong and stable base for the subfloor.
- Roof framing: It’s usually be used as roof joists or rafters to support the roof structure.
- Wall framing: It can also be used for wall framing and as components for ceiling systems.
- Long spans: I-joists are ideal for projects that require longer spans between supports.
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