The declared thermal conductivity value for WALLTITE® CV100LWP is 0.026 W/mk.
The system uses “permanent” type blowing agents and has a closed cell content of over 90%. Values are derived using the “fixed increment” procedure after undergoing Normality checks.
Compare WALLTITE® with traditional systems
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 |