INTERIOR INSULATION: Can I upgrade my insulation internally?

For interior insulation, for use in refurbishment or new build,  Eurothane PL is the right solution. Eurothane PL is a thermal laminate comprising a PIR-board with a 12.5mm plasterboard. It is suitable for re-lining existing walls or for use in solutions in new build propertys to satisfy the ever demading Building Regulations & The Code For Sustainable Homes.