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Grade data & provenance
The numbers behind the tool
| Property | Value | Standard | Status |
|---|
| Density (grade span) | 12–30 kg/m³ | ASTM D6817 | Provisional |
| Thermal conductivity λ @10°C | 0.033–0.045 W/m·K | | Provisional |
| Compressive resistance @1% strain (design limit) | 15–100 kPa | ASTM D7180 | Provisional |
| Compressive strength @10% strain | 60–200 kPa | ASTM D6817 | Provisional |
| Reaction-to-fire class (FR grade) | B-s1,d0 | SANS 53501-1 | Verified |
EPS geofoam grades follow the ASTM D6817 grade ladder.
SA-specific values are Provisional pending our own type test; see our data promise.
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