When testing skylights in accordance with ASTM E 1886 and ASTM E 1996, what large missile criteria must I use?
If you want the product to be acceptable in both the Inland I zone and the Seaward zone, then Missile Level C from ASTM E 1996-04 shall be used (4.5 lb (+/-0.25lb) 2×4, 4 ft (+/-4 in.) long, with an impact speed of 40 ft/s. If you want the product to be acceptable in only the Inland I zone, then Missile Level B shall be used 2.0 lb (+/-0.25 lb) 2×4, 1 ft-9 in (+/-4 in.) long, with an impact speed of 50 ft/s. This criteria applies to basic protection located at a height of 30 feet or less on a structure as defined in ASTM E 1996-04. For other criteria, please consult with the Texas Department of Insurance.
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