What Are Waterproofing Membranes, the Types, and Applications? When a building shows signs of water damage, waterproofing membranes can provide an easy and cost-effective fix. Waterproofing has different variables and steps to ensure the best integrity and longevity for your building and the people inside. Unfortunately, failures within the waterproofing membrane can have a disastrous effect on the integrity of your building’s structure, lead to health risks for building occupants, and increase total cost of ownership. Meanwhile, having knowledge of the types of membranes, application methods, and how to choose a service provider can make the process even easier. Let’s take an in-depth look at these key things to know about waterproofing membranes, including: