Home > Companies > Kingspan Insulation > Kingspan Kooltherm K12 Framing Board

Premium performance rigid thermoset phenolic insulation board for timber and steel framing systems.

Kingspan Kooltherm K12 Framing Board is manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP).

Kingspan Kooltherm K12 Framing Board is manufactured in accordance with ISO 9001: 2015 (Quality Management Systems. Requirements), ISO 14001: 2015 (Environmental Management Systems. Requirements), BS OHSAS 18001: 2007 (Occupational Health and Safety Management Systems. Requirements) and ISO 50001: 2011 (Energy Management Systems. Requirements with guidance for use).

Standard product features

Board size:

  • Length: 2.4 m.
  • Width: 1.2 m.


Kingspan Kooltherm K12 Framing Board is faced on both sides with a low emissivity composite foil, autohesively bonded to the insulation core during manufacture.


The core of Kingspan Kooltherm K12 Framing Board is a premium performance fibre-free rigid thermoset phenolic insulant.

Thermal conductivity:

  • 0.023 W/m·K (insulant thickness 15–24 mm);
  • 0.021 W/m·K (insulant thickness 25–44 mm); and
  • 0.020 W/m·K (insulant thickness ≥ 45 mm).

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 manufacturing facility.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-45-65/420 Phenolic foam board

Product specification

An important note about specifying



Kingspan Insulation


+44 (0)1544 388601

Product reference

Kingspan Kooltherm K12 Framing Board

Insulation thickness

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Manufacturer details

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