The FlameOut Block Class A2 Flame Retardant VCL Vapour Control Layer is a top-quality, high-performance building material designed to give you peace of mind. This 1.5m x 50m (75m2) vapour control layer offers superior protection against the spread of flames, making it an excellent choice for any construction project where safety is paramount. Produced using cutting-edge technology, FlameOut Block ensures not only fire resistance but also controls the diffusion of vapour inside your building structure, thereby reducing the risk of condensation and related issues.