| WALLTITE | Glass fibre | Wool | Blown cellulose | Open-cell foam | |
|---|---|---|---|---|---|
| U-Value (100mm) | 0.25 | 0.33 | 0.33 | 0.33 | 0.33 |
| Approved air barrier system | Yes Air leakage <0.0033m³/hr/m² at 50mm thickness |
No | No | No |
Yes 0.005L/s/m² at 130mm thickness |
| Seamless construction | Yes | No | No | No | Yes |
| Rigid | Yes | No | No | No | No |
| Fully adhered | Yes | No | No | No | Yes |
| Adds structural strength | Yes | No | No | No | No |
| Long service life | Yes | No | No | No | Yes |
| Absorbs water | 0.05kg/m² | Yes | Yes | Yes | Yes |
| Allows moisture vapour in | Minimal | Yes | Yes | Yes | Yes |
