The Procheck Standard 300 Vapour Control Layer is a high-quality, versatile building material designed to provide superior vapour control in a wide range of construction applications. Measuring 2m x 50m, this product is durable, easy to handle and install, making it ideal for both professional builders and DIY enthusiasts. Manufactured to exacting standards, the Procheck Vapour Control Layer helps to prevent the formation of mould and condensation within buildings by effectively regulating vapour flow.