With an overall thickness of just 40mm, and consisting of 19 thermally efficient layers, Super Quilt Trade successfully deals with all forms of energy transfer. High quality insulation that is flexible and easy to install. Built-in airtight vapour control layer to prevent the passage of moisture, reducing the risk of condensation. R-Value up to 2.84 m²K/W, equivalent to 125mm of mineral wool insulation. Metalized PET Construction Thermal Resistance up to Up to 2.84m²K/W Suitable for Domestic Use Thickness: 40mm Can be Retrofitted to Improve Existing Environments Non-Itch Suitable for Roofs, Walls & Floors Built-In Vapour Control Layer Metalized PET Construction Thermal Resistance up to Up to 2.84m²K/W Suitable for Domestic Use Thickness: 40mm Can be Retrofitted to Improve Existing Environments Non-Itch Suitable for Roofs, Walls & Floors Built-In Vapour Control Layer