Kooltherm Cavity Closer


Insulated cavity closers for closing cavities around wall openings

  • Simplified SAP calculations – bespoke set of psi–values 
  • Inhibited heat transfer – reduces thermal bridging, condensation risk and mould growth
  • Weather resistant – forms an integral DPC
  • Can be fitted with door / window frames as a  combined unit

Technical Information

Thermal conductivity (insulant thickness) 0.022 W/m.K
Compressive strength at 10% compression 120 kPa
Sheathing uPVC extrusion
Core Premium performance rigid thermoset modified resin insulant manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP).
Widths 100mm, 125mm, 150mm

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