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  1. Home
  2. Wall Insulation Boards
  3. Thermawall TW50

Frequently Asked Questions

Thermawall TW50
Dense block outer lead / block inner leaf
Brick outer leaf / block inner leaf with insulated plasterboard

Thermawall TW50

Thermawall TW50 is a high performance cavity wall insulation with a thermal conductivity of 0.022 W/mK. Thermawall TW50 insulation boards are easy to cut, handle and install compared to some other commonly used insulants. They are available in a range of thicknesses.

Product Highlights

  • High performance thermoset polyisocyanurate (PIR) insulation - thermal conductivity 0.022 W/mK

  • Clear cavity is maintained - resists moisture penetration

  • Low emissivity foil facings significantly increase the thermal resistance of the cavity

  • Lightweight insulation that is easy to cut, handle and install compared to some other commonly used insulants

  • Our Product Awareness Training is delivered by technical experts, who provide free onsite instruction and guidance