Multi-layer reflective foil insulation for roofs, walls and floors. Made with aluminium for maximum thermal performance, the reflective properties keep the living space warm in winter and cool in summer with effective solar over-heating barrier. Lightweight and flexible. Fast and simple installation without any harmful fibres or particles. Aluminium Construction Thermal Resistance up to 1.52m²K/W Suitable for Domestic Use Thickness: 40mm Can be Retrofitted to Improve Existing Environments Non-Itch Suitable for Loft Conversions, Refurbishments & New Builds Can be Used in Areas with Restricted Space Aluminium Construction Thermal Resistance up to 1.52m²K/W Suitable for Domestic Use Thickness: 40mm Can be Retrofitted to Improve Existing Environments Non-Itch Suitable for Loft Conversions, Refurbishments & New Builds Can be Used in Areas with Restricted Space