Roof Shrinkage: Why It Happens and How to Prevent It

According to experts, EPDM and modified bitumen are the most popular membranes to use in commercial roofing projects. After all, they are affordable and durable, so plenty of building owners opt to use them as a roofing material. However, they do come with a few problems and one of the most prominent ones is roof shrinkage. But why exactly does roof shrinkage occur in some commercial roofs?