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Kingspan Kooltherm K103 Insulation Board 2400mm x 1200mm x 100mm - 8.64m2 (3 sheets)

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£391.66 Incl. VAT
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This Kingspan Kooltherm K103 Floorboard is a 100mm premium performance lower lambda insulation with a fibre-free rigid thermoset phenolic core. It used for insulating beam and block, concrete, and timber floors.

Kingspan Kooltherm K103 Floorboard produced at Kingspan Insulation's Pembridge manufacturing facility is faced on both sides with a glass tissue based facing, autohesively bonded to the insulation core during manufacture.

Features & Benefits: Kingspan Kooltherm K103 Insulation Board 2400mm x 1200mm x 100mm - 8.64m2 (3 sheets)

  • Can reduce the cost of related items - soil removal, service connections
  • Unaffected by air infiltration
  • Resistant to the passage of water vapour
  • Easy to handle
  • Easy to install
  • Suitable for new builds and refurbishment projects
  • Non-deleterious material
  • Manufactured with a blowing agent that has zero ODPand low GWP
  • Pack Coverage: 8.64m2

Standards & Certification

  • Kingspan Kooltherm K103 Floorboard is manufactured to the highest standards under a management system certified to ISO 9001: 2015 (Quality Management Systems. Requirements), ISO 14001: 2015 (Environmental Management Systems. Requirements), ISO 45001: 2018 (Occupational Health and Safety Management Systems. Requirements with guidance for use) and ISO 50001: 2018 (Energy Management Systems. Requirements with guidance for use.)
  • The use of Kingspan Kooltherm K103 Floorboard is covered by BBA Certificate 16/5299.

Please Note:

This item is non-returnable due to being Special Order, Made to Measure or for hygiene reasons. Your statutory rights are not affected.


Length 2400mm Thickness 100mm Width 1200mm


Thermal Conductivity 0.018 W/mK Edging Square Edge Facing Mineral Glass Coated Product Type Board
Material Phenolic Foam Pack Size Pack of 3

Questions & Answers


Can this be used with underfloor heating


While it cannot be used directly on top of it, it can be used in conjunction, Kingspan have a great guide for this depending on your set up - https://www.kingspan.com/gb/en-gb/products/insulation-boards/insulation-technical-hub/articles-and-advice/underfloor-heating-and-floor-insulation#:~:text=Floor%20Constructions&text=Insulation%2C%20such%20as%20Kingspan%20Kooltherm,thermal%20mass%20of%20the%20floor.

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