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Page: 1 of 3 C L A S S I F I E D System No. CW-D-2027 CWD 2027 Reproduced by HILTI, Inc. Courtesy of Underwriters Laboratories, Inc. September 18, 2008 F Rating — 2 Hr T Rating — 1/4 Hr Integrity Rating — 2 Hr Insulation Rating — 1/4 Hr Linear Opening Width — 8 In. Max Class II Movement Capabilities — 5% Vertical Shear (See Item 3)