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Thermoblock 2xVARx60mm

Thermoblock 2xVARx60mm

  • Loft Insulation
  • Insulation King

  • Free Next Day Delivery (over £500) in the West Midlands
  • Free Standard Delivery (over £500)
  • View our guides for Help & Advice
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🚛 Next Day Delivery (West Midlands) – FREE on orders over £500

Thermoblock is a block of insulating material designed to be placed at the cold intersection where the wall and floor meet to ensure maximum thermal performance. Thermoblocks are ideal for use throughout a building and are water-resistant, meaning they can be used in damp or humid conditions without losing any of their insulating properties.  


  • Highly versatile  
  • Ideal for use where floor and wall meet
  • Excellent thermal performance  
  • Thermal Conductivity: 0.05W/mK  
  • Compressive Strength: 9N/mm2 



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Frequently Asked Questions

Marmox Thermoblock is made of extruded polystyrene (XPS) foam, which is a lightweight, durable, and thermally insulating material.

Yes, Marmox Thermoblock is designed to accommodate tiling directly onto its surface. It provides a solid and thermally efficient substrate for tile adhesion.

The U-value of Marmox Thermoblock is approximately 0.05W/mK. This low U-value indicates its excellent thermal insulation properties, making it an effective solution for preventing heat loss.

No, Marmox Thermoblock is resistant to mould growth. Its extruded polystyrene (XPS) foam core does not provide a suitable environment for mould or mildew to thrive. Additionally, the waterproof and moisture-resistant properties of Marmox Thermoblock make it an unfavourable substrate for mould growth. However, it's important to ensure that the surrounding materials and installation methods are also resistant to moisture to maintain a mould-free environment.

Free shipping will automatically be applied to all orders over £500. Simply add over £500 to your cart and you will see the discount while checking out.

Orders under £150 - £100 carriage.
Under £300 - £50 charge.
Under £500 - £25 charge.
Over £500 is free.

We typically deliver orders within 2-3 business days of ordering.

Orders for the West Midlands will be completed in 1 to 2 working days.

Orders for areas out of the West Midlands will be completed in 3 to 4 working days.

Orders made after 5pm will be processed on the following working day.

Our deliveries are typically made between 8am and 5pm, Monday - Friday excluding Bank Holidays (Great Britain).

We are unable to offer timed deliveries.

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