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Particle size, dimensions, density levels and adhesive type of the bark insulation boards.
| Board Type | Bark Particle Size (mm) | Board Thickness (mm) | Boards Dimension (mm) | Board Density (kg/m³) | Adhesive |
|---|---|---|---|---|---|
| Spruce fine | 8–13 | 21 | 500 × 500 | 500 | 10% UF |
| Spruce coarse | 10–30 | 20 | 500 × 500 | 414 | 10% UF |
| Larch coarse, thin | 10–30 | 11 | 500 × 500 | 690 | 10% tannin |
| Larch coarse, thick | 10–30 | 19 | 500 × 500 | 571 | 10% tannin |
