Our polypropylene insulating membrane is designed for reliable and durable use in the installation of heating cables. With its CSA certification, you can be sure of its quality and safety. The membrane is 1 meter by 1 meter in length and made from polyethylene, making it 100% waterproof. It can also support heavy loads for easy and safe installation. Vapor management is made easy with this membrane - vapor escapes between the free channels, helping you maintain a clean and dry environment. Discover our full range of polypropylene insulating membranes on our website