The Unilin 90mm x 450mm x 1200mm Cavity Wall Square Edge Thin-R Insulation is a high-performance insulating solution designed to provide efficient thermal resistance for your building projects. This product is crafted from durable, lightweight materials that ensure superior longevity and ease of installation. Its square-edge design allows for a tight fit within wall cavities, eliminating gaps and enhancing insulation efficiency. The Thin-R insulation is the ideal choice for those seeking to improve the energy efficiency of their buildings, whilst adhering to environmental standards.