Kingspan Thermawall TW55 Steel/Timber Framing Board (All Sizes) 2.4m x 1.2m Wall Insulation
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Kingspan Thermawall TW55 Steel/Timber Framing Board (All Sizes) 2.4m x 1.2m

SKU: TW55 20mm

Est Delivery between and .

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

Please note that the Kingspan Therma Pir Insulation products (TF70, TP10, and TW55) are an identical product, marketed under different names for use in floors, roofs, and walls respectively.
  • Superior rigid insulation: TW55 boasts low GWP, zero ODP, and a thermal conductivity of 0.022 W/m.K.
  • User-friendly installation: Ideal for steel/timber frames, CFC/HCFC-free, and water vapor resistant.
  • Long-lasting quality: Non-fibrous core, eco-conscious, and available in various sizes at

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These products are sold in pack quantities only. Price listed is per pack. Please see pack quantities below.

Thickness Boards Per Pack Coverage Per Pack
20mm 15 43.2m2
25mm 12 34.56m2
30mm 10 28.8m2
40mm 8 23.04m2
50mm 6 17.28m2
60mm 5 14.4m2
70mm 4 11.52m2
75mm 4 11.52m2
80mm 4 11.52m2
90mm 3 8.64m2
100mm 3 8.64m2
110mm 3 8.64m2
120mm 2 5.76m2
125mm 2 5.76m2
130mm 2 5.76m2
140mm 2 5.76m2
150mm 2 5.76m2


Introducing the Kingspan Thermawall TW55 Steel/Timber Framing Board, your ideal solution for top-tier insulation in wall applications. Crafted with precision, this insulation boasts a low Global Warming Potential (GWP) blowing agent and a zero Ozone Depletion Potential (ODP), making it an environmentally conscious choice. Its core features a superior performance rigid insulation with a low emissivity composite foil facing, seamlessly adhered during the manufacturing process for maximum efficiency. With a thermal conductivity as low as 0.022 W/m.K, it excels in both steel and timber frame wall constructions, remaining unaffected by air movement. Its user-friendly installation and handling make it a breeze to work with, whether for new builds or refurbishments. Plus, it's a non-deleterious material, ensuring long-lasting quality. Trust in its non-fibrous insulation core, CFC/HCFC-free composition, and water vapor resistance. Elevate your insulation game with the Kingspan Thermawall TW55, now available in all sizes, measuring 2.4m x 1.2m, exclusively at

Key Features

  • Superior performance rigid thermoset insulation
  • Thermal conductivity of 0.022 W/m.K
  • Non-fibrous insulation core
  • CFC/HCFC-free
  • Resistant to water vapour passage


Frequently Asked Questions

What is the Kingspan Thermawall TW55 used for? The Kingspan Thermawall TW55 is specifically designed for wall insulation applications, making it ideal for both steel and timber frame constructions.

What are the key features of the TW55 insulation board? It has a superior performance rigid insulation core, The core is complemented by a low emissivity composite foil facing, The product is manufactured with a blowing agent that has low Global Warming Potential (GWP) and zero Ozone Depletion Potential (ODP).

What are the dimensions of the TW55 insulation board? The board comes in a standard size of 2.4 meters by 1.2 meters.

What is the thermal conductivity of the TW55 board? The TW55 board boasts a thermal conductivity as low as 0.022 W/m.K, ensuring excellent insulation performance.

Is the TW55 insulation board suitable for refurbishment projects? Yes, the TW55 board is perfect for refurbishment projects, providing an effective and efficient insulation solution.

Is the TW55 board easy to handle and install? Yes, it is designed for easy handling and installation, making it a convenient choice for construction projects.

Is the TW55 board a non-deleterious material? Yes, the TW55 insulation board is a non-deleterious material, ensuring it won't cause harm or damage over time.

Is the TW55 board resistant to water vapor passage? Yes, the TW55 board is resistant to water vapor passage, providing an additional layer of protection against moisture.

Is the TW55 board environmentally friendly? Yes, it is crafted with a blowing agent that has low GWP and zero ODP, making it an eco-conscious choice for insulation.

Can the TW55 board be used in conjunction with other insulation products? Yes, the TW55 board can be used alongside other insulation products for enhanced insulation performance in a variety of applications.

    Length 2400mm
    Width 1200mm
    Thermal Conductivity 0.022 W/mK
    Brand Kingspan
    Material Type Polyiso

    Est Delivery between and .

    Delivery will always take place on a weekday (Mon - Fri).
    For more information on delivery visit our delivery info page.

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