About Knauf Soundshield Plus
A heavy, blue-faced plasterboard for partitions, linings and ceilings where sound insulation is a key requirement. The 15mm board also carries fire and impact classifications, so it can cover several performance needs in one layer.
Key performance
| Compliance standard | 12.5mm - EN520 A & D; 15mm - EN520 A, D, F and I |
|---|---|
| Thickness (mm) | 12.5, 15 |
| Reaction to fire (R2F) | A2-s1, d0 (B) |
| Thermal conductivity (λ) | 0.25 |
| Colour | Blue |
| Humidity | Soundshield Plus is not suitable for high humidity areas. |
Source: Knauf Soundshield Plus product data sheet, revision reference 007, revision date 27/08/2026. Figures quoted exactly from the manufacturer's datasheet; confirm with Knauf before specifying.
Board data
| Thickness (mm) | Reaction to fire (R2F) | Weight (kg/m²) | Density (kg/m³) |
|---|---|---|---|
| 12.5 | A2-s1, d0 (B) | 11.5 | 920 |
| 15 | A2-s1, d0 (B) | 13.3 | 887 |
Selected rows; full table in the technical datasheet.