Designed to provide dependable protection from high wind and wind-borne debris during tornadoes and hurricanes. Built, tested, and certified to meet the stringent requirements of the ICC-500 building code as well as the FEMA 361 guideline. The Model 610F is structural wind load design pressure tested to +/- 300 psf and is impact rated for up to 100 mph. Rolling Steel Storm Shelter Door Model 610F is built to meet your most demanding and rigorous applications. Applications include schools, storm shelters, safe room, emergency operations centers, 911 call stations, fire, rescue, and ambulance stations, police stations.