Kingspan Kooltherm K12 Framing Board (All Sizes) - 2.4m x 1.2m All Insulation
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£336.71 £404.05
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Kingspan Kooltherm K12 Framing Board (All Sizes) - 2.4m x 1.2m

SKU: K1250

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Order now and get free delivery on all Kingspan orders over £300 ex vat.

Please Note: Kingspan Kooltherm K12 is superseded by Kingspan Kooltherm K112


Provide your abode perfect insulation and maintain the inside environment warm and cozy in winters and moderate temperature in summers. Products from Kingspan floor insulation are well-recognized throughout the construction industry that features supreme and innovative design along with technical expertise.

High perfromance:

This is a high performance and rigid phenolic insulation board that is designed specifically for solid concrete and suspended ground floors. It provides a rapid response to floor heating that actually prevents heat loss with the help of heat sump. This board provides thermal conductivity of 0.021 –0.022 W/m.K, which makes it much more efficient.


KINGSPAN K12 80MM insulation board is manufactured by keeping the standards in consideration. It adhered to ISO 9001: 2015 (Quality Management Systems. Requirements), ISO 14001: 2015 (Environnemental Management Systems Requirements) and ISO 45001: 2018 (Occupational Health & Safety Management Systems. Requirements with guidance for use). It is also covered by BBA Approval Inspection Testing Certificate No 14/5134 and also work in accordance with Harmonized Standard BS EN 13166: 2001.


  1. Thermal Conductivity (W/mK): 0.021-0.022 
  2. Compressive strength at 10% compression: exceeds 100 kPa
  3. U value (depending on the construction): 0.19-0.35 W/m2xK
  4. Density: 35kg/m³


Thermal Conductivity:

  • 0.022 W/mK (Thickness 25-44 mm)
  • 0.021 W/mK (Thickness ≥ 45 mm)


Kooltherm K12 Framing Board

Kingspan Kooltherm K12 Framing Board is a premium performance insulation, with a fibre-free rigid thermoset phenolic insulation core faced on both sides with a low emissivity composite foil facing which is used in timber or steel frame walls.

Thermal conductivity
(insulant thickness)
0.023 W/m.K (15-24 mm)
0.022 W/m.K (25–44 mm)
0.021 W/m.K (≥ 45 mm)
Facings Composite foil
Core Premium performance rigid thermoset phenolic insulant manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP).
Board size 1.2 x 2.4 m
U-Value Calculations for Timber Frame Walls

Length 2400mm
Width 1200mm
Thermal Conductivity 0.021- 0.022 W/mK
Brand Kingspan
Material type Phenolic

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