CavityTherm is an innovative built-in insulation for traditional walls that achieves passive level U-Values as low as 0.12 W/m2K with excellent thermal bridging detailing in cavities less than 150mm wide.
CavityTherm provides a ‘system’ that delivers on U-values, is practical, and with a full range of innovative detailing accessories – it delivers on continuity.
CavityTherm (Inner block 100)
Block Type 100mm 125mm 150mm
Light 0.15 0.18 0.15 0.12
Med 0.33 0.19 0.15 0.13
Dense 1.15 0.20 0.16 0.13
Property & Units
Water Vapour Resistivity >100 (MNs/gm)
Thermal Conductivity 0.021 (W/mK)
Service Temperature -20 to +100 (°C)
Length (mm) 1200 - -
Width (mm) 450 - -
Thickness (mm) 100 125 150
Typical R-Value* 4.52 5.71 6.90
Engineered HIPs facer provides wind driven rain protection
Moisture redirected to outer surface
Prepositioned slots for sloping wall ties - no creep
Fully engineered jointing
Full range of accessory pieces build continuous system
Excellent Thermal Bridging Values.