| Profile | Quality | Mpp (Kg-m) | Mrup (kg-m) | MORc (MPa) | Fd (MPa) | Fv (MPa) | E*I (kg-cm2) |
| I-Joist of bamboo 745 | 82.3 | 31 | 94 | 47 | 47.42 | ||
| Height (cm) in Gmelina arborea I-joist | |||||||
| 10.0 | A | 126 | 206.7 | 20.6 | 148 | 92 | 35.89 |
| B | 126 | 124.8 | 12.4 | 68 | 42 | ||
| 16.5 | A | 412 | 390.8 | 17.2 | 119 | 74 | 12.10 |
| B | 409 | 273.2 | 12.1 | 60 | 38 | ||
| 24.0 | A | 1244 | 787.8 | 16.5 | 120 | 75 | 30.79 |
| B | 1229 | 592.5 | 12.4 | 81 | 51 | ||