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Structurally insulated panel (SIP) for use within, or fixed to the outside of, the structural frame of a building for infilling apertures and sheathing.

Consists of a high performance fibre-free rigid urethane insulation core, sandwiched between two layers of Oriented Strand Board type 3 (OSB/3).

As standard, panels are PEFC Chain of Custody certified in accordance of the TUV NORD CERT auditing and certification procedures and are subject to regular surveillance audits. Upon request, the panels can achieve FSC (FSC-C109304) certification.

Related literature

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Standard product features

Panel size:

  • Maximum (l x w): 7.5 x 1.22 m.
  • Minimum: Can be cut down to 0.2 x 0.2 m to fit the design of the building.

Total panel thickness:

142 mm, comprising of a 112 mm insulation core and 15 mm OSB/3 facing either side.


Faced both sides with a maximum of 15 mm OSB/3 autohesively bonded to the insulation core.


High performance, fibre-free rigid urethane insulation manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP).

Thermal conductivity:

  • Core: 0.024 W/m·K.
  • Facing: 0.13 W/m·K.


  • Core: 33 kg/m³.
  • Facing: 650 kg/m³.

Fire performance:

Details on the fire performance of Kingspan Insulation products may be obtained from the Kingspan Insulation Technical Service Department.

Responsible sourcing:

Certified to BES 6001 (Framework Standard for the Responsible Sourcing of Construction Products) for boards produced at Kingspan Insulation’s Pembridge and Selby manufacturing facilities.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-60-90/415 Structural insulated panels

Product specification

An important note about specifying



Kingspan Insulation


+44 (0)1544 388601

Product reference

Kingspan TEK Cladding Panel (142 mm)

Manufacturer details

Kingspan Insulation Ltd,
Herefordshire, HR6 9LA
Tel +44 (0)1544 388601
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NBS National BIM Library