The Thinsulex TLX Gold Multifoil is a high-performance 2 in 1 insulating breather membrane, designed to provide effective thermal insulation and air leakage control in a single product. With a coverage of 1.2m x 10m (12m2 per roll), this multifoil is ideal for new build, refurbishment or DIY projects. Its unique design enables it to act as an insulator in winter and a heat reflector in summer, enhancing the energy efficiency of your property.