453.25.4.1 Missile Impact Criteria

The building enclosure, including walls, roofs, glazed openings, louvers and doors, shall not be perforated or penetrated by a flying object. For walls and roofs, the missile criteria are as provided in ASTM E 1886 and ASTM E 1996 or SBC/SSTD 12.

Materials used for walls, roofs, windows, louvers, and doors shall be certified for resistance to missile impact criteria.

The glazed openings or permanent protective systems over glazed openings shall be designed for cyclic loading.