17. Gypsum Wallboard Fire Rated Gypsum Compound Steel Stud Roof or Floor Deck Mechanical Joint Overlapping Gypsum Wallboard Load
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19. UL Cycle Class Listings 30 10 100 400 Class lll (Seismic) 10 500 Class ll (Wind Sway) 1 500 Class l (Thermal) Min. Cycling Rate (Cycles Minutes) Min.# Of Cycles Movement Class
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21. Where Can I Find The Most Current Listing? http://www.ul.com