Kingspan Insulation - Kingspan Insulation - Kooltherm K8 Cavity Wall Board Insulation


Kingspan Group Kingspan Insulation

Kooltherm K8 Cavity Board

Kingspan Kooltherm K8 Cavity Board is a premium performance insulation, with a fibre-free rigid thermoset phenolic core, faced on both sides with a low emissivity composite foil facing which is used for insulation in partially filled cavity walls.

Kingspan Kooltherm K8 Cavity Wall Board

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Thermal conductivity
(insulant thickness)
0.023 W/m.K (15-24 mm)
0.021 W/m.K (25–44 mm)
0.020 W/m.K ( ≥ 45 mm)
 Facings Composite foil
Core Premium performance rigid thermoset phenolic insulant manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP).
Board size 1.2 x 0.45 m
U-Value Calculations for Cavity Walls


Kooltherm K8 Cavity Board

Case Studies

Surrey University - Guildford

Woolwich Arsenal - London