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Sheet Drawing No. HILTI, Inc. Date Scale HWD 1 of 2 5/32" = 1" UL/cUL SYSTEM NO. HW-D-0089 TOP OF WALL JOINT : GYPSUM WALL ASSEMBLY A A SECTION A-A FRONT VIEW Tulsa, Oklahoma USA (800) 879-8000 1A 1B 2 3 5 6 7 MIN. 2 1/2" MAX. 3" MAX. 2" ASSEMBLY RATING = 1-HR. OR 2-HR. CLASS II AND III MOVEMENT CAPABILITIES - 20% COMPRESSION OR EXTENSION) L-RATING AT AMBIENT = LESS THAN 1 CFM / LIN FT L-RATING AT 400°F = LESS THAN 1 CFM / LIN FT 0089s Oct. 23, 2013 HWD0089s.102313