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Further technical information such as composition and manufacture, size and weight, performance and sitework...

Composition and manufacture

Closed-cell structure resists both moisture and water-vapour ingress, problems that can be associated with open-cell materials such as mineral fibre, which can result in reduced thermal performance. Rigid phenolic insulation is the most thermally-efficient insulant commonly available. Utilising the thinnest possible insulation board to achieve required U-values, each product is designed to a specific need and manufactured to precise standards and tolerances including ISO 9001:2000.

Size and weight

Products in the Kingspan Kooltherm® range vary in size and thickness. Typical density: 35kg/m3.


Typical compressive strength exceeds 125kPa at 10% compression when tested to BS EN 826:1996.

Effect of fire

Phenolic core achieves Class 0/Low Risk to The Building Regulations/Building Standards and <5% smoke obscuration to BS 5111:Part 1:1974.

Moisture properties

Boards achieve a water-vapour resistance far greater than 100MNs/g when tested in accordance with BS 4370-2:1993.

Thermal properties

Thermal conductivity (λ value) 0.021 to 0.024W/mK depending on thickness. R value varies with thickness.


Products are as standard CFC/HCFC free with zero Ozone Depletion Potential (ODP).

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Kingspan Insulation

Kingspan Insulation

Kingspan Insulation is a market leading manufacturer of optimum, premium and high performance rigid insulation products for building fabric and building services applications. Kingspan Insulation is committed to providing architects, specifiers and...
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T(01544) 388 601
 01544 387 382 Tech Dept.
F(01544) 388 888
E[email protected]
WVisit Kingspan Insulation's website
 Visit the Kingspan Insulation U Value Calculator
 Pembridge, Leominster, Herefordshire, HR6 9LA

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