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Thermobreak® RT Drain

Manufactured using our unique physically crosslinked polyolefin foam bonded to pure reinforced aluminium foil, Thermobreak® RT Drain has been routed with a series of channels to allow prompt drainage of accumulated moisture.


Market Leading Performance

  • Thermobreak® RT has the lowest thermal conductivity of any flexible foam insulation material; 0.032W/mK (23°C) (0.22 @ 73°F).
  • Vapour Permeability of almost zero, Thermobreak® RT ensures thermal conductivity remains relatively constant for a period of 10 years.
  • Thermobreak® RT is extremely lightweight meaning a reduction in the total weight of the vehicle resulting in increased energy efficiency.

Easy to Fabricate & Install

Thermobreak® RT offers the highest fire and smoke ratings to meet most major National and International Standards.

  • EN 45545-2 (HL3 up to 25mm [ 1″])
  • PRIIA-NFPA 130
  • BS 6853 (Cat 1a, 1b)
  • TB/T 3237
  • UN ECE R118

Environmental, Health & Safety

Thermobreak® RT is manufactured to ISO 14001 environmental management standards and supports environmental initiatives and directives.

  • Compliance to REACH directive
  • Compliance to RoHS directive
  • Zero ODP (Montreal Protocol)
  • Zero PVC, zero formaldehyde
  • Resistance to mould growth
  • Low GWP

Transit Vehicle Insulation

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