The Kingspan Thermawall TW50 is an impressive insulation solution for cavity walls, boasting a rigid thermoset polyisocyanurate (PIR) core that is completely fibre-free and high-performing. This insulation board is 70mm thick, with a thermal conductivity of 0.022 W/mK.
With low emissivity foil facings that work to significantly increase the cavity’s thermal resistance, this insulation remains unchanged by air infiltration. Installation processes are simple, and handling is easy, making for a practical option.
Features & Benefits: Kingspan Thermawall TW50 Cavity Wall Insulation – 1200mm x 450mm x 70mm – Pack of 6 Sheets
- Pack of six with a pack coverage of 3.24m²
- 1200mm length x 450mm width x 70mm thickness
- Clear cavity is maintained and resists moisture penetration
- Board Coverage of 0.54m²
- Thermal Conductivity of (as low as) 0.022 W/mK
- Low emissivity composite foil facings
- High-performing and fibre-free
- Meets NHCB technical requirements when used with a 50mm residual cavity
- Handled easily with simple installation
- Unchanged by air infiltration
Kingspan Thermawall TW50 has been manufactured with non-deleterious material.












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