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Kooltherm® K10 PLUS Soffit Board Insulated Fibre Cement

Kooltherm® K10 PLUS Soffit Board is a premium insulation solution combining high-performance thermal efficiency with a durable fibre cement facing. Designed specifically for the underside of concrete slabs and exposed soffit applications, this innovative product delivers outstanding fire performance, a clean aesthetic finish, and market-leading thermal conductivity.

Featuring a fibre cement board pre-bonded to a rigid thermoset phenolic insulation core, Kooltherm® K10 PLUS is ideal for commercial, industrial and residential projects seeking to meet strict energy efficiency targets while maintaining robust fire safety standards. Easy to install and engineered for longevity, it is the smart choice for high-performance, compliant soffit insulation.

  • Quick and easy to install
  • NCC and AS/NZS 4859.1:2018 compliance
  • Integrated Fibre Cement Facing
  • Both an upper tissue-based facing and a lower facing of reflective aluminium foil
  • Slim profile

Product Specifications

Eureka CodeR-ValueThicknessWidthLengthm² Per Pack
K10PLUS31
R1.10
31mm
1200
2400
2.88m2
K10PLUS36
R1.40
36mm
1200
2400
2.88m2
K10PLUS46
R1.75
46mm
1200
2400
2.88m2
K10PLUS56
R2.30
56mm
1200
2400
2.88m2
K10PLUS66
R2.75
66mm
1200
2400
2.88m2
K10PLUS76
R3.25
76mm
1200
2400
2.88m2
K10PLUS86
R3.70
86mm
1200
2400
2.88m2
K10PLUS96
R4.15
96mm
1200
2400
2.88m2