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Sheet Drawing No. HILTI, Inc. Tulsa, Oklahoma USA (800) 879-8000 Date Scale HWD 0687b 1 of 2 7/32" = 1" Oct. 23, 2013 UL/cUL SYSTEM NO. HW-D-0687 ASSEMBLY RATING = 1-HR. OR 2-HR. CLASS II MOVEMENT CAPABILITIES - 50% COMPRESSION OR EXTENSION L-RATING AT AMBIENT = LESS THAN 1 CFM / LIN FT L-RATING AT 400°F = LESS THAN 1 CFM / LIN FT HWD0687b.102313 TOP OF WALL JOINT : GYPSUM WALL ASSEMBLY A A SECTION A-A FRONT VIEW 1A 1B 2 3 4 5 6 MAX. 1 1/2" MIN. 2 1/2" MAX. 3"