Soundbreak Gypsum Board Installation
SoundBreak Gypsum Board – ½” Thick – ACOUSTICALLY ENHANCED SOUNDBREAK GYPSUM BOARD INSTALLATION:
A. General: Install in accordance with manufacturer recommendations and GA-214.
B. Single Layer – 2×4 wood stud construction (non-rated, STC 53)
1. Apply one layer of acoustically enhanced gypsum board vertically to each side of wood studs, using 1-1/4 inch Type W screws, 12 inches on center.
2. Provide 1/4 inch gap between acoustically enhanced gypsum board perimeter edge and dissimilar materials.
3. Seal perimeter gap [and penetrations] with acoustical sealant.
C. Single Layer – 2×4 wood stud construction (1 hour-rated, Load Bearing; STC 53)
1. Apply one layer of 5/8 inch acoustically enhanced gypsum board vertically to each side of wood studs, using 1-¼ inch Type W screws, 12 inches on center.
2. Apply paper tape and joint compound at all joints.
3. Cover all screw heads with compound.
D. Unbalanced Staggered – 2×4 wood stud construction (1 hour-rated; STC 60)
1. Apply base layer of 5/8 inch fire resistant rated gypsum board vertically to one side of staggered 2 x 4 wood studs, on 2×6 plates using 1-1/4 inch type W screws, 12 inches on center.
2. Apply face layer of 5/8 inch acoustically enhanced gypsum board using 2 inch type W
Screws, 16 inches on center. Stagger vertical joints 16 inches on center each layer.
3. Apply one layer of 5/8 inch fire resistant rated gypsum board vertically to opposite side of wood studs using 1-1/4 inch type W screws 12 inches on center. Stagger vertical joints
16 inches.
E. H-Stud Area Separation Wall – wood stud construction (2 hour-rated; STC 67)
1. Insert two layers of 1 inch fire resistant rated shaft liner into 2 inch H-studs spaced 24 inches on center.
2. Provide a minimum ¾ inch air space between shaft liner and adjacent construction.
3. Apply one layer of 5/8 inch of acoustically enhanced gypsum board vertically to each outside face of wood studs, using 1-¼ inch Type W screws, 12 inches on center.
F. Single Layer – 3-5/8 inch metal stud construction (1 hour-rated, Nonbearing; STC 54)
1. Apply one layer of 5/8 inch acoustically enhanced gypsum board vertically to one side of metal studs using 1-inch Type S screws, 8 inches on center at perimeter and 12 inches on center in the field.
2. Apply one layer 5/8 inch fire resistant rated gypsum board vertically to opposite side of metal studs using 1 inch type S screws 8 inches on center at perimeter and 12 inches on center in the field. Stagger joints on opposite side of wall assembly.
3. Apply paper tape and joint compound at all tapered joints.
4. Cover all screw heads with compound.
G. Unbalanced – 3-5/8 inch metal stud construction (1-hour-rated, Nonbearing; STC 57)
1. Apply base layer of 5/8 inch acoustically enhanced gypsum board vertically to one side of metal studs using 1-inch type S screws, 24 inches on center.
2. Apply face layer of 5/8 inch fire resistant rated gypsum board vertically using 1-5/8 inch
Type S screws, 12 inches on center.
3. Apply one layer of 5/8 inch fire resistant rated gypsum board vertically to opposite side of metal studs using 1-inch Type S screws, 12 inches on center.
4. Stagger all vertical joints 24 inches.
5. Apply paper tape and joint compound at all tapered joints.
6. Cover all screw heads with compound.
H. Double Layer – [3-5/8 inch metal stud construction (1 hour-rated; STC 60)] OR [6 inch metal stud construction (1 hour-rated; STC 61)]
1. Apply base layer of 5/8 inch acoustically enhanced gypsum board vertically to one side of metal studs using 1-inch Type S screws, 24 inches on center.
2. Apply face layer of 5/8 inch fire resistant rated gypsum board vertically using 1-5/8 inch type S screws, 12 inches on center.
3. Apply two layers of 5/8 inch fire resistant rated gypsum board vertically to opposite side, using 1-inch type S screws, 24 inches on center for base layer and 1-5/8 inch type S screws, 12 inches on center for face layer.
4. Stagger all vertical joints 24 inches.
I. [Unbalanced Layer – 2-1/2 inch double metal stud construction (1 hour-rated, Nonbearing; STC59)
1. Apply base layer of 5/8 inch acoustically enhanced gypsum board vertically to one side of metal studs, using 1-inch Type S screws, 8 inches on center at perimeter and 12 inches on center in the field.
2. Apply face layer of 5/8 inch fire resistant rated gypsum board vertically using 1-5/8 inch
Type S screws, 12 inches on center, offset 8 inches from first layer.
3. Apply one layer of 5/8 inch fire resistant rated gypsum board vertically to opposite side of metal studs, using 1-inch Type S screws, 8 inches on center at perimeter and 12 inches on center in the field.
4. Stagger vertical joints on opposite sides.
5. Cover all screw heads with compound.