Technical Note No. 24 provides 10 generic steel roof deck assemblies that have passed specific missile-impact tests for resistance to windborne debris. It summarizes relevant ICC 500 criteria for tornado and hurricane shelters and documents key assembly details, including deck profiles, material thicknesses, spans, support and sidelap fasteners, reinforcing plates and other components. The resource is intended to assist designers in evaluating steel roof deck assemblies for projects requiring missile-impact resistance.