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Premium performance rigid thermoset insulation for timber and steel framing systems. It is manufactured under a management system certified to BS / I.S. EN ISO 9001: 2008 (Quality Management Systems. Requirements), BS / I.S. EN ISO 14001: 2004 (Environmental Management Systems. Requirements) and BS / I.S. OHSAS 18001: 2007 (Health and Safety Management Systems. Requirements).

Kingspan Kooltherm® K12 Framing Board achieves a BRE 2008 Green Guide Summary Rating of A+.

Standard product features

Board size:

  • Length- 2.4m
  • Width- 1.2m


The outer facing of 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 rigid thermoset modified resin insulant manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP).

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.

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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