The Profoil 861 Vapour Control Layer is a high-performance, reflective vapour control layer designed to enhance the thermal efficiency of walls, roofs and floors. This quality product measures 2m x 50m, providing ample coverage for large scale applications. With its superior water vapour resistance properties, it reduces the risk of condensation within buildings and contributes towards a healthy indoor environment. As versatile as it is effective, this vapour control layer can be used within new build or refurbishment projects.