HomeMy WebLinkAboutGYPSUM BOARD ASSEMBLIES_Rev_0Five Sullivan Brothers CC Kitchen Plmb Improvements 09 21 16
City of Waterloo GYPSUM BOARD ASSEMBLIES
INVISION #16021 1 of 4
SECTION 09 21 16
GYPSUM BOARD ASSEMBLIES
PART 1 GENERAL
1.01 SECTION INCLUDES
A. Performance criteria for gypsum board assemblies.
B. Metal stud wall framing.
C. Metal channel ceiling framing.
D. Acoustic insulation.
E. Gypsum sheathing.
F. Cementitious backing board for tiled areas.
G. Gypsum wallboard.
H. Joint treatment and accessories.
I. Painting of above-ceiling firewall warning signs required by code.
1.02 RELATED REQUIREMENTS
A. Section 06 10 00 - Rough Carpentry: Wood blocking product and execution requirements.
B. Section 07 2100 - Thermal Insulation: spray foam insulation for shim spaces
C. Section 07 92 00 - Joint Sealants: Sealing acoustical gaps in construction other than gypsum board or
plaster work.
1.03 REFERENCE STANDARDS
A. ASTM C645 - Standard Specification for Nonstructural Steel Framing Members; 2014, with Editorial
Revision (2015).
B. ASTM C754 - Standard Specification for Installation of Steel Framing Members to Receive
Screw-Attached Gypsum Panel Products; 2017.
C. ASTM C840 - Standard Specification for Application and Finishing of Gypsum Board; 2017a.
D. ASTM C1396/C1396M - Standard Specification for Gypsum Board; 2017.
E. ASTM C1658/C1658M - Standard Specification for Glass Mat Gypsum Panels; 2013.
F. ASTM D3273 - Standard Test Method for Resistance to Growth of Mold on the Surface of Interior
Coatings in an Environmental Chamber; 2016.
G. ASTM E90 - Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of
Building Partitions and Elements; 2009 (Reapproved 2016).
H. ASTM E413 - Classification for Rating Sound Insulation; 2016.
I. GA-216 - Application and Finishing of Gypsum Panel Products; 2016.
1.04 QUALITY ASSURANCE
A. Installer Qualifications: Company specializing in performing gypsum board installation and finishing.
B. Perform in accordance with ASTM C 840. Comply with requirements of GA-600 for fire-rated assemblies.
PART 2 PRODUCTS
2.01 GYPSUM BOARD ASSEMBLIES
A. Provide completed assemblies complying with ASTM C840 and GA-216.
B. Interior Partitions, Indicated as Acoustic: Provide completed assemblies with the following
characteristics:
1. Acoustic Attenuation: STC as indicated on Wall Type Schedule calculated in accordance with
ASTM E413, based on tests conducted in accordance with ASTM E90.
2.02 METAL FRAMING MATERIALS
A. Manufacturers - Metal Framing, Connectors, and Accessories:
1. Clarkwestern Dietrich Building Systems LLC: www.clarkdietrich.com.
2. Marino: www.marinoware.com.
3. Phillips Manufacturing Co: www.phillipsmfg.com.
4. The Steel Network, Inc: www.SteelNetwork.com.
5. PAC International, Inc. www.pac-intl.com.
6. Substitutions: See Section 01 60 00 - Product Requirements.
Five Sullivan Brothers CC Kitchen Plmb Improvements 09 21 16
City of Waterloo GYPSUM BOARD ASSEMBLIES
INVISION #16021 2 of 4
B. Non-Loadbearing Framing System Components: ASTM C645; galvanized sheet steel, of size and
properties necessary to comply with ASTM C754 for the spacing indicated, with maximum deflection of
wall framing of L/360 at 5 psf.
1. Contractor to confirm any gages or spacings indicated in wall types and modify as required to meet
standards.
2. Studs: "C" shaped with flat or formed webs with knurled faces.
3. Runners: U shaped, sized to match studs.
4. Ceiling Channels: C-shaped.
5. Furring: Hat-shaped sections, minimum depth of 7/8 inch.
C. Z-Furring: Z furring channel, minimum 0.0179 inch thick base metal; depths as indicated
D. Ceiling Hangers: Type and size as specified in ASTM C754 for spacing required.
2.03 BOARD MATERIALS
A. Manufacturers - Gypsum-Based Board:
1. Georgia-Pacific Gypsum: www.gpgypsum.com.
2. National Gypsum Company: www.nationalgypsum.com.
3. USG Corporation: www.usg.com.
4. Substitutions: See Section 01 60 00 - Product Requirements.
B. Gypsum Wallboard: Paper-faced gypsum panels as defined in ASTM C1396/C1396M; sizes to minimize
joints in place; ends square cut.
1. Application: Use for vertical surfaces and ceilings, unless otherwise indicated.
2. Glass mat faced gypsum panels as defined in ASTM C1658/C1658M, suitable for paint finish, of the
same core type and thickness may be substituted for paper-faced board.
3. Mold Resistance: Score of 10, when tested in accordance with ASTM D3273.
a. Mold resistant board is required at all locations.
4. At Assemblies Indicated with Fire-Rating: Use type required by indicated tested assembly; if no
tested assembly is indicated, use Type X board, UL or WH listed.
5. Thickness:
a. Vertical Surfaces: 5/8 inch.
b. Multi-Layer Assemblies: Thicknesses as indicated on drawings.
C. Board For Non-Wet (Damp) Areas: Water-resistant gypsum backing board as defined in ASTM
C1396/C1396M; sizes to minimum joints in place; ends square cut.
1. Application: untiled toilets and janitorial areas, areas around sinks and equipment with a water
supply.
2. Mold Resistance: Score of 10, when tested in accordance with ASTM D3273.
3. Type: Regular, in locations indicated.
4. Regular Board Thickness: 5/8 inch.
5. Edges: Tapered.
D. Ceiling Board: Special sag resistant gypsum ceiling board as defined in ASTM C1396/C1396M; sizes to
minimize joints in place; ends square cut.
1. Application: Ceilings, unless otherwise indicated.
2. Thickness: 1/2 inch.
3. Edges: Tapered.
E. Exterior Sheathing Board: Sizes to minimize joints in place; ends square cut.
1. Application: Exterior sheathing, unless otherwise indicated.
2. Edges: Square.
2.04 INSULATION MATERIALS
A. Mineral Fiber Batt Insulation: Flexible preformed batt or blanket, complying with ASTM C665; friction fit;
unfaced flame spread index of 0 (zero) when tested in accordance with ASTM E84.
1. Application: At interior walls for acoustic insulation.
2. Density: 2.5 pcf.
3. Thickness: as required to meet STC rating indicated.
4. Facing: Unfaced.
5. Products:
a. Thermafiber SAFB.
b. Roxul”AFB”.
c. Substitutions: See Section 01 60 00 - Product Requirements.
Five Sullivan Brothers CC Kitchen Plmb Improvements 09 21 16
City of Waterloo GYPSUM BOARD ASSEMBLIES
INVISION #16021 3 of 4
PART 3 EXECUTION
3.01 EXAMINATION
A. Verify that project conditions are appropriate for work of this section to commence.
3.02 FRAMING INSTALLATION
A. Metal Framing: Install in accordance with ASTM C754 and manufacturer's instructions.
B. Studs: Space studs at 16 inches on center.
1. Extend partition framing to structure in all locations.
2. Partitions Terminating at Structure: Attach top runner to structure, maintain clearance between top
of studs and structure, and connect studs to track using specified mechanical devices in
accordance with manufacturer's instructions; verify free movement of top of stud connections; do
not leave studs unattached to track.
C. Openings: Reinforce openings as required for weight of doors or operable panels, using not less than
double studs at jambs.
D. Standard Wall Furring: Install at furred walls scheduled to receive gypsum board, not more than 4 inches
from floor and ceiling lines and abutting walls. Secure in place on alternate channel flanges at maximum
16 inches on center.
1. Orientation: Vertical.
2. Spacing: As permitted by standard.
E. Blocking: Install wood blocking or mechanically fastened steel sheet blocking for support of:
1. Framed openings.
2. Countertop and shelf supports
3. Wall mounted cabinets.
4. Plumbing fixtures.
5. Toilet accessories.
6. Wall mounted door hardware.
7. Wall hooks
8. Chalkboards, tack boards, and marker boards.
9. Owner provided wall mounted equipment, whether owner-installed or contractor-installed.
3.03 ACOUSTIC ACCESSORIES INSTALLATION
A. Acoustic Insulation: Place tightly within spaces, around cut openings, behind and around electrical and
mechanical items within partitions, and tight to items passing through partitions.
1. Do not compress insulation.
B. Acoustic Sealant: Install in accordance with manufacturer's instructions.
1. Place one bead continuously on substrate before installation of perimeter framing members.
2. Place continuous bead at perimeter of each layer of gypsum board.
3. Seal around all penetrations by conduit, pipe, ducts, and rough-in boxes, except where firestopping
is provided.
3.04 INSTALLATION OF TRIM AND ACCESSORIES
A. Control Joints: Place control joints consistent with lines of building spaces and as indicated.
1. Not more than 30 feet apart on walls and ceilings over 50 feet long.
B. Corner Beads: Install at external corners, using longest practical lengths.
C. Edge Trim: Install at locations where gypsum board abuts dissimilar materials.
3.05 JOINT TREATMENT
A. Finish gypsum board in accordance with levels defined in ASTM C840, as follows:
1. Level 4: Walls and ceilings to receive other paint finishes, unless otherwise indicated.
2. Level 1: Wall areas above finished ceilings, whether or not accessible in the completed
construction.
B. Tape, fill, and sand exposed joints, edges, and corners to produce smooth surface ready to receive
finishes.
1. Feather coats of joint compound so that camber is maximum 1/32 inch.
2. Taping, filling and sanding is not required at base layer of double layer applications.
C. Fill and finish joints and corners of cementitious backing board as recommended by manufacturer.
Five Sullivan Brothers CC Kitchen Plmb Improvements 09 21 16
City of Waterloo GYPSUM BOARD ASSEMBLIES
INVISION #16021 4 of 4
3.06 TOLERANCES
A. Maximum Variation of Finished Gypsum Board Surface from True Flatness: 1/8 inch in 10 feet in any
direction.
END OF SECTION