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  3. Kooltherm K3 Floorboard
Illustration of a pink colored Kingspan insulation board (called Kooltherm K3) with a rigid fibre-free phenolic core and a brownish glass tissue facings on both sides. The board is shown as a single rectangular insulation panel in perspective view, highlighting its slim profile and uniform construction.
Illustration of a floor construction featuring a Kingspan Kooltherm® insulation board (called Kooltherm K3) installed above a concrete floor slab. The build-up includes underfloor heating pipes embedded within a screed layer and blue floor tiles as the finished floor surface. The cutaway view highlights the layered floor construction, including insulation, underfloor heating system, screed, floor finish, perimeter edging, and concrete structure.

Kooltherm K3 Floorboard

The Kooltherm K3 Floorboard is a rigid phenolic insulation board with a glass tissue facing on both sides. Thanks to its high insulation value, the board is ideal for use as floor insulation and is well suited for use in combination with underfloor heating systems.

Product Highlights

  • λD-value 0,021 W/(m·K)

  • Suitable with underfloor heating system

  • High compressive strength

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