Introducing 71mm Kingspan Kooltherm K110 PLUS, a premium soffit insulation board featuring an integrated impact-resistant building panel that delivers both thermal performance and aesthetic refinement. This advanced product enables the construction of slender structural ceilings (soffits) whilst maintaining exceptional thermal insulation with a thermal conductivity of 0.019 W/mK. Where a premium finish is required, the 71mm Kooltherm K110 PLUS combines outstanding thermal efficiency with durability.
The Kingspan 71mm K110 Plus measures 1200mm by 2400mm, with the 71mm thickness comprising a 65mm insulation board core bonded to a 6mm building board layer.
Brand: Kingspan Insulation ®
Model: 71mm Kingspan K110 PLUS
Dimensions: 2,400mm x 1,200mm x 71mm
Compressive Strength: >100 (kPa)
Thickness: 71mm ( 65mm +6mm )
Width: 1200mm
Length: 2400mm
Pack Quantity: 11 sheets
Pack Coverage: 31.68m2
Density: 40kg/m3
Weight: 71mm K110 PLUS has an approximate weight of 13.55 kg/m2 at a thickness of 100 mm.
Material: Rigid thermoset phenolic insulation
Profile: Square Edge
R-Value: 3.40m2K/W
Thermal Conductivity: The insulation core of K110 PLUS has a thermal conductivity of 0.019 W/mK across all thicknesses. The building board component of Kooltherm K110 has a thermal conductivity of 0.27 W/mK.
Fire Classification: Euroclass B-s1, d0 and C-s1, d0
Finish: Glass tissue and impact resistant building board
Inner Facing: The inner (concealed) facing of Kooltherm K110 PLUS is a glass tissue based facing, autohesively bonded to the insulation core during manufacture.
Outer Facing: The outer (exposed) facing of Kooltherm K110 PLUS is a 6 mm A1 Euroclass building board.
Application Temperature: from +5 °C to +25 °C
Insulation Material: Kooltherm K110 PLUS is a premium performance, lower-lambda rigid thermoset phenolic insulation.
Applications: Insulation for structural ceilings (soffits)
BBA Certified: Yes, no. 16/5299
Vapour Control Layer: Yes, build in
Features: Soffit insulation board with an impact resistant building panel
Our premium performance rigid thermoset phenolic insulation represents a high-specification thermal solution with outstanding thermal conductivity of 0.019 W/mK. Combined with an impact-resistant building panel, it provides excellent durability and a refined surface finish. Beyond its thermal insulation capabilities, it resists air leakage and prevents water vapour transmission, offering robust protection from moisture ingress.
Installation is straightforward thanks to its practical design, enabling quick and efficient deployment. Suitable for both new builds and renovation schemes, this insulation delivers reliable performance. The material is non-deleterious and environmentally safe. Additionally, our product utilises a blowing agent with zero Ozone Depletion Potential (ODP) and minimal Global Warming Potential (GWP), reflecting our environmental responsibility.
Explore our Kingspan range and refine by thickness or coverage using the left-hand filters. For guidance on product suitability for your project or volume discount quotations, contact us on +4402038839057, email sales@insulationbee or use Live Chat for the lowest UK Insulation prices.








