Spray Foam Insulation

Material Performance

Thermal conductivity

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

Air leakage


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