Technical Data
Published Thermasheet board data, intended as a general technical reference.
Board properties
| Property | Assessed to | Rating |
|---|---|---|
| XPS density | DIN 53420 | 36 ± 0.02 kg/m³ |
| Thermal conductivity | EN 12167 | 0.033 W/m·K |
| Compressive strength (10% deflection) | EN 826 | 300 kPa (30.5 t/m²) |
| Flexural strength | ASTM C203 | 0.30 ± 0.02 MPa |
| Water absorption (2-day immersion) | ISO 2896 | 0.2% by volume |
| Water absorption (capillary) | DIN 53428 | Zero |
| Water vapour diffusion resistivity (µ) | DIN 52615 | 110–225 |
| Water vapour permeability | ASTM E-96 | 0.028 ng/Pa·m·s |
| Maximum tile loading weight | CERAM 121107 | 60 kg/m² |
| Fire hazard properties | AS/NZS 1530.3:1999 | 0 / 0 / 0 / 6 |
| Impact sound reduction | BS-ISO 140 | ΔLw = 21 |
| Bond strength | EN 1607 | 480 kPa |
| EU controlled substances | — | None |