
This fact sheet provides detailed guidance on the installation and maintenance of tornado safe room door assemblies for community and residential safe rooms. It emphasizes the importance of using ICC 500-certified door assemblies, outlines certification and labeling requirements, and details installation procedures including quality assurance plans and contractor responsibilities. The document also covers maintenance practices, recommended inspection frequencies based on usage, and special considerations for residential safe room doors. It is intended for building professionals, facility managers, code officials, and safe room owners responsible for ensuring reliable protection against tornadoes and extreme wind events.