Grades Of Glulam.
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Higher grades
- (like GL30h or GL32h) offer greater strength and stiffness, making them ideal for demanding applications like large-span roofs or industrial floors.
- Lower grades (GL20h or GL24h) are more economical and suitable for lighter loads or shorter spans.
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Choosing the right glulam grade depends on what your project demands structurally and visually. Here's how to make a smart selection:
Step 1: Define Structural Requirements
Start by identifying the load conditions and span lengths your beam must handle.
- For light loads or short spans, grades like GL20h or GL24h are economical and sufficient.
- For medium to heavy loads, go for GL28h to GL32h—these offer higher bending, compression, and tension strengths.
- If you're working with curved or arched members, consider grades with “EX” designation (e.g., 24f-EX) for stress reversals.
