Membrane A flexible or semiflexible roof covering or waterproofing whose primary function is to exclude water. Related Articles: Commercial Roofing Project: The #1 Best Cover BoardR-Panel Roof: Top 4 Best repair optionsThe 4 Best Options for Repairing or Upgrading EPDM Roofs - Part I4 Best Options for EPDM Roofs – Part IIWhat is a Built-Up Roof System?« Back to Glossary
