Kooltherm K110 Soffit Board

Image of Kingspan Kooltherm K110 Soffit Board

Premium performance soffit insulation

Kingspan Kooltherm K110 Soffit Board is a premium performance insulation with a fibre-free rigid thermoset phenolic core.

As part of our Kingspan Kooltherm 100 range, it provides a level of performance that is unrivalled in the world of rigid thermoset insulation materials with a thermal conductivity of just 0.018 W/mK across all thicknesses.

Manufactured with a blowing agent that has zero ODP and low GWP, it is used to insulate structural ceilings (soffits).

Product brochure

Our product brochures include U-value tables, handling advice and installation guidance.

Kooltherm K110 Soffit Board

Technical & downloads

Thermal conductivity 0.018 W/mK across all thicknesses
Euroclass C-s2,d0 (when the outer / exposed composite foil facing is exposed to heat source)
NPD (inner / non-exposed glass tissue facing)
Inner facing Glass tissue
Core Premium performance lower-lambda rigid thermoset phenolic insulation manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP)
Outer facing Low emissivity composite foil
Board size 1.2 x 2.4 metres
Weight Approx 3.81 kg/m2 at a thickness of 100 mm
There are potential restrictions placed upon this product which vary dependant on building type, height, construction and location. For guidance regarding the routes to compliance for meeting the fire safety requirements of the Building Regulations / Standards, refer to the relevant links to Government websites here.


Net Zero Energy / Renewable Energy Kingspan Kooltherm K110 is manufactured in our Pembridge, Herefordshire facility. By the end of 2020, 100% of the non-renewable operational energy used in manufacturing processes in this site will be matched through the use of renewable energy and the purchase of renewable energy certificates (to offset any remaining non-renewable energy use). Visit our Net Zero Energy area to learn more.
Net Zero Carbon manufacturing Our groupwide aim is to achieve net zero carbon (CO2e) emissions (scope 1 & 2) from our manufacturing activities by the end of 2030. For more info, visit Planet Passionate.
Waste to Landfill At Pembridge, we currently send 7.9% of our manufacturing waste to landfill. We are working to achieve total landfill diversion in the next year.
Our Planet Passionate goal is to send zero waste to landfill by 2030.
Responsible sourcing This product is certified 'Excellent' to BES 6001 (Framework Standard for the Responsible Sourcing of Construction Products) for our Pembridge manufacturing site. 
Kingspan Kooltherm K110 is manufactured in one site and offers the following sustainability performance.

Responsible sourcing

Kingspan Kooltherm K110 produced at Kingspan Insulation’s Pembridge, Herefordshire manufacturing facility is certified to BES 6001 (Framework Standard for the Responsible Sourcing of Construction Products) ‘Excellent’.
Planet Passionate
Through our new Planet Passionate 10-year groupwide sustainability programme, we aim to make significant advances in the sustainability of our business and of our products.

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