Are listed, rated shuttering systems allowed as an acceptable method for protecting glazed openings from windborne debris?
YES – The body of Section 5301.2.1.2 addresses glazed opening protection for windborne debris and requires that such glazed openings meet the requirements of the Large Missile Test of ASTM E 1996 and of ASTM E 1886 (Section 5301.2.1.2 goes on to recognize, as an Exception, that wood structural panels of a certain thickness and maximum span are also acceptable for such opening protection).Where, however, tested, listed shuttering systems are manufactured to meet the requirements of the Large Missile Test of ASTM E 1996 and of ASTM E 1886, such shutter systems provide the same level of protection as the rated, glazed window system and thus it satisfies intent of Code to allow such rated shuttering systems placed over an unrated glazed window system and where the Code requires windborne debris protection – Code arguments for this allowance include recognition of Code intent and use of Section 5109.4.1 and where both demonstration of shutter listing to ASTM E 1996 and 1886 is provided and
