b'Fire Rated AssembliesMetal Framed Partitions (Load Bearing)Rating Detail UL/GA # Description Sound Rating1 hr. U425 One layer 5/8 FireBloc Type X wallboard applied vertical to each side of an/aWP 8138 minimum 3-1/2, 33 mil (0.0329, 20 ga.), steel studs at 24o/c with 3-1/2 berglass insulation friction t in all stud cavities.1 hr. W463 One layer 5/8 FireBloc Type X wallboard applied vertical to each side of aSTC 58double row of 3-1/2, 33 mil (0.0329, 20 ga.), steel studs 24o/c with 3-1/2(RAL TL 10 351)berglass insulation friction t in all stud cavities. Lateral bracing on the inside of steel studs at mid-height, min 1-1/2 33 mil (0.0329, 20 ga.) at strap.2 hr. U425 Twolayers5/8FireBlocTypeXwallboardor5/8M-GlassExteriorn/aSheathing applied vertical to each side of a minimum 3-1/2, 33 mil (0.0329, 20 ga.), steel studs 24o/c with 3-1/2 berglass insulation friction t in all stud cavities2 hr. W463 Two layers 5/8 FireBloc Type X wallboard applied vertical to each side of aSTC 65double row of minimum 3-1/2, 33 mil (0.0329, 20 ga.), steel studs 24o/c(RAL TL 10 355)with 3-1/2 berglass insulation friction t in all stud cavities. Lateral bracing on the inside of steel studs at mid-height, min 1-1/2 33 mil (0.0329, 20 ga.) at strap.Shaftwalls/Area Separation WallsRating Detail UL/GA # Description Sound Rating1 hr. V455 1" M-Glass, M-Bloc or traditional water resistant Shaft Liner panels nestledn/aWP 6801 into a minimum 2-1/2 C-H, C-T or I-Stud shaftwall framing members, with one layer 5/8 FireBloc Type X wallboard applied to the face of the stud.When sound tested and 2-3/4 berglass insulation friction t in all studSTC 41cavities. (RAL TL 14 252)1 hr. V455 1" M-Glass, M-Bloc or traditional water resistant Shaft Liner panels nestledSTC 46WP 6801 into a minimum 2-1/2 C-H, C-T or I-Stud shaftwall framing members, with(RAL TL 14 253)one layer 5/8 FireBloc Type X wallboard applied to the face of the stud. Sound tested with resilient furring channels with 2-3/4 berglass insulation friction t in all stud cavities.2 hr. V455 1" M-Glass, M-Bloc or traditional water resistant Shaft Liner panels nestled WP 7058 into a minimum 2-1/2 C-H, C-T or I-Stud shaftwall framing members, with two layers 5/8 FireBloc Type X wallboard applied to the face of the stud.When sound tested with 1-1/2 mineral ber insulation friction t in all studSTC 51cavities. (RAL TL 08-288)1" M-Glass or M-Bloc Shaft Liner panels nestled into a minimum 4, 33 mil V455 (0.0329, 20 ga.) C-H, C-T or I-Stud shaftwall framing members, with twoSTC 502 hr. WP 7058 layers 5/8 FireBloc Type X wallboard applied to the face of the stud. When(NOAL 20-0212)sound tested with 3-1/2 berglass insulation friction t in all stud cavities.1.800.545.6302|americangypsum.com'