b'Fire Rated AssembliesMetal Framed Partitions (Non-load Bearing)continuedRating Detail UL/GA # Description Sound Rating1 hr. V496 One layer 5/8 FireBloc Type X wallboard applied horizontal or vertical toSTC 63WP 5001 one side of a double row of 2-1/2, 18 mil steel studs spaced 16o/c, and two(RAL TL 10 354)layers FireBloc Type X wallboard applied horizontal or vertical on the opposite side of the wall.Lateral bracing on both sides of the wall not more than 5 feet o/c vertical. Sound tested with 3-1/2 berglass insulation. 2 hr. V489 Two layers 5/8 FireBloc Type X wallboard applied horizontal or vertical ton/aWP 1456 each side of a minimum 1-5/8, 15 mil, steel studs spaced 24o/c.WP 1459WP 15012 hr. V489 Two layers 5/8 FireBloc Type X wallboard applied horizontal or vertical toSTC 61WP 1456 one side of a minimum 2-1/2, 15 mil, steel studs spaced 24o/c. OPPOSITE(RAL TL 10 356)WP 1501 SIDE: Resilient furring attached to steel studs o/c and two layers 5/8 FireBloc Type X wallboard applied to them. 3-1/2 berglass insulation friction t in all stud cavities.V489 When sound tested with steel studs spaced 16o/c STC 58WP 1508 (RAL TL 15 439)2 hr. V489 Two layers 5/8 FireBloc Type X wallboard applied horizontal or vertical toSTC 62onesideofaminimum3-5/8,15mil,steelstudsspaced24o/c.(RAL TL10-282)OPPOSITE SIDE: RSIC-V sound isolation clips attached to steel studs and two layers 5/8 FireBloc Type X wallboard applied to them. 6-1/4 berglass insulation friction t in all stud cavities.V489 When sound tested with steel studs spaced 16o/c STC 60WP 1459 (RAL TL 15 434)2 hr. W415 Four layers 5/8 FireBloc Type X wallboard applied horizontal or vertical ton/aWP 1713 one side of a minimum 2-1/2, 18 mil, steel studs spaced at 24o/c. Fire rated WP 7102 from either direction.2 hr. W415 Four layers 5/8 FireBloc Type X wallboard applied horizontal or vertical STC 42WP 1713 to one side of a 2-1/2, 18 mil steel studs at 24o/c. Fire rated from either(RAL TL 14 260)WP 7102 direction. Sound tested with 3-5/8 berglass insulation friction t in allstud cavities.2 hr. W421 Three layers 5/8 FireBloc Type X wallboard applied horizontal or vertical n/aWP 1556 toonesideofaminimum2-1/2,18mil,steelstudsspaced24o/c. OPPOSITE SIDE: One layer of 5/8 FireBloc Type X wallboard applied to studs.1.800.545.6302|americangypsum.com'