Gyproc ThermaLine Basic Insulated Plasterboard is only available in tapered edge. This product is used to provide a basic level of improvement to thermal insulation, making it suitable for rooms where only a low level of insulation is needed. The Gyproc Wall Board factory- bonded is an expanded polystyrene insulation that is CFC & HCFC- free, this means zero ozone depletion potential. The board is mounted to a polystyrene insulator which is CFC and HCFC free and it is environmentally friendly. This tapered edge plasterboard can be used in a new build as well as refurbishments, where a basic level of additional insulation is needed. Additional information •  Thermal conductivity of Gyproc WallBoard is 0.19W/mKThermal conductivity of Gyproc WallBoard is 0.19W/mK Thermal conductivity of expanded polystyrene is 0.040W/mK •  Requires minimum delay between completion of the lining and the commencement of plastering • Less than 5 Global Warming Potential Conforms to BS 476 (Part 6 and Part 7), BS EN 13501-1 and EN 13950: 2014 • Certified to BES 6001 For any further guidance or information regarding this product and its uses, please speak to a member of our sales team on 01628 249 617.