ESSI Acoustical Products

SECTION 09810
ACOUSTICAL SPACE UNITS

PART 001 GENERAL

1.1 SUMMARY

1. Section Includes: Acoustical space units as follows:

1. Suspended acoustical fabric faced baffles
2. Suspended acoustical vinyl faced baffles
3. Suspended ceiling banners
4. Acoustical masks and pads

2. Related Sections:

1. Section 09510, "Acoustical Ceiling Panels"
2. Section 09840, "Acoustical Wall Panels"

1.2 REFERENCES

1. ASTM E 84: Test Method for Surface Burning Characteristics of Building Materials

2. ASTM C 423: Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method

1.3 SUBMITTALS

1. Product Data:

1. Manufacturer's technical information and instructions for handling, storing, and installing.
2. Certification by manufacturer that products supplied comply with requirements.

2. Shop Drawings: Submit elevations showing ceiling baffle layout. Indicate suspension and attachment details.

3. Samples: Submit 12" x 12" sample of each type of ceiling baffle.

4. Test Reports: Submit test reports from an independent testing agency indicating compliance with requirements.

1.4 QUALITY ASSURANCE

1. Installer Qualifications: Engage an installer, acceptable to the manufacturer, and who has completed installations with a record of successful in-service performance.

2. Provide acoustical baffles that comply with the following requirements:

1. Fire tests shall be performed by independent testing agency acceptable to authorities having jurisdiction.
2. Surface-burning characteristics of acoustical panels shall comply with Class A materials as determined by testing per ASTM E 84:

1. Flame Spread: 25 or less.
2. Smoke Developed: 450 or less.

3. Products shall be identified with name of testing agency.

3. Mock-up: Provide mockup as follows:

1. Prepare mock-up of one full size unit for each type of acoustical unit required.
2. After mock-up is approved, these units will be used to evaluate final installation.
3. Obtain the Architect's approval of samples before starting application.

1.5 DELIVERY, STORAGE, AND HANDLING

1. Packing, Shipping and Handling: Deliver materials to the Project site in manufacturer's original, unopened packages bearing the manufacturer's name, and the following information:

1. Product name.
2. Manufacturer's stock number and date of manufacture.
3. Installation instructions.
4. Handling instructions and precautions.

2. Storage and Protection: Store materials in enclosed shelter providing protection from damage and exposure to the elements. Damaged or deteriorated materials shall be removed from the premises.

1.6 PROJECT CONDITIONS

1. Temperature Conditions: Install ceiling baffles when temperature conditions are within manufacturer's limits and will be maintained within those limits during occupancy.

1.7 WARRANTY

1. Warranty: Submit a written warranty, executed by the manufacturer, agreeing to replace acoustical ceiling baffles that fail within the specified warranty period.

2. Warranty Period: 1 years from the date of Substantial Completion.

1.8 MAINTENANCE

1. Furnish extra materials. Package materials in unopened, factory-sealed containers for storage and identify with labels. Deliver extra materials to the Owner.

1. Materials: Furnish the Owner with an additional 2 percent of material, including full size panels.

PART 002 PRODUCTS

2.1 MANUFACTURER

1. Manufacturer: Subject to compliance with requirements, provide products of the following manufacturer:

1. Silentspace; ESSI Acoustical Products Company

2.2 MATERIALS

1. Fiber Glass Core: Manufacturer's standard fiber glass core.

1. Rigid Fiberglass Nominal Density: 6-7 lb./cu. ft.
2. Semi-Rigid Fiberglass Nominal Density: 2.7 lb./cu. ft.
3. Flexible Fiberglass Nominal Density: 1.0 lb./cu. ft.

2. Decorative Facing Material: Manufacturer's standard facing material.

[EDIT OPTIONS BELOW]

1. Fabric: Guilford FR 701 [Custom Fabric (specify type)]
2. Perforated Vinyl facing: Genon Stipple II [Custom vinyl (specify type)]

2.3 CEILING BAFFLES

1. Ceiling Baffles: Provide the following products:

[EDIT SELECTIONS REQUIRED FOR PROJECT.]

1. Model B-200: Sealed vinyl faced semi-rigid fiberglass core with natural edge.
2. Model B-201: Fabric faced semi-rigid fiberglass core with natural edge.
3. Model B-202: [Fabric] [Perforated vinyl] faced rigid fiber glass core with metal edge.
4. Model B-206: Faced rigid fiber glass core with chemically hardened edge.

2. Acoustical Ceiling Baffles: Provide acoustical baffles complying with the following:

[EDIT OPTIONS BELOW. NOTE: CUSTOM EDGE DETAIL AVAILABLE ON B-206 ONLY ]

1. Facing: Fabric [Vinyl] faced 2. Facing Application:
2 sided sewn [2-sided double thick] [2-sided encapsulated].
3. Core Construction: Rigid fiberglass with [Galvanized steel frame edge] [Chemically hardened edge]
4. Edge Detail: Square. [Bevel.] [Miter] Radius]
5. Thickness: 1 inch [2 inches]
6. Size: 48" wide x 96" high [48" wide X 120" high] [Custom as shown on Drawings.]
7. Acoustical Performance: _____ Sabins per baffle; ASTM E 423
8. Fire rating: Class A, ASTM E84
9. Installation: Two grommets [Two brass hangers] [Two galvanized steel hanger] per baffle

2.4 MASKS AND PADS

1. Masks and Pads: Provide the following products:

1. Model M-403: Heat sealed faced, flexible, low density (1 lb/c.f ) fiberglass core with the following covering:

1. Vinyl facing; .75 mil thickness; clear
2. Vinyl facing; 2.0 mil thickness; flat black
3. Vinyl facing; 3.0 mil thickness; color selected by Architect.
4. Polyester facing; 1.5 mil thickness; clear
5. Polyester facing; 1.5 mil thickness; white
6. Polyester facing; 1.5 mil thickness; gloss black
7. Overall Thickness: 1 inch [1-1/2 inches] [2 inches] 8. Size: 24" x 48"

2. Model M-404: Heat sealed wrinkle free shrink tight faced semi-rigid (2.7 lb/c.f ) fiberglass core with the following covering:

1. Vinyl facing; .75 mil thickness; clear
2. Vinyl facing; 2.0 mil thickness; flat black
3. Vinyl facing; 3.0 mil thickness; color selected by Architect.
4. Polyester facing; 1.5 mil thickness; clear
5. Polyester facing; 1.5 mil thickness; white
6. Polyester facing; 1.5 mil thickness; gloss black
7. Overall Thickness: 1 inch [1-1/2 inches]
8. Size: 24" x 48"

3. Model M-405: Heat sealed faced, semi-rigid density (1.5 lb/c.f ) fiberglass core with the following covering:

1. Vinyl facing; .75 mil thickness; clear 2. Vinyl facing; 2.0 mil thickness; flat black
3. Vinyl facing; 3.0 mil thickness; color selected by Architect.
4. Polyester facing; 1.5 mil thickness; clear
5. Polyester facing; 1.5 mil thickness; white
6. Polyester facing; 1.5 mil thickness; gloss black
7. Overall Thickness: 1 inch [1-1/2 inches] [2 inches]
8. Size: 24" x 48" [30" x 30"] [30" x 36"] [30" x 42"] [30" x 48"]

2.5 CEILING BAFFLE SUSPENSION

1. Provide manufacturer's direct-hung suspension systems of types.

2. Attachment Devices: Size for five times design load of ceiling baffles.

1. Anchors in Concrete: Cast-in-place anchors or expansion anchors with holes for attaching hangers. Anchors shall sustain a load equal to five times the weight of the ceiling baffle construction, as determined by testing per ASTM E 488.
2. Fasteners: Fasteners recommended by manufacturer for attaching hangers. Fasteners shall be able to support a load equal to 10 times the weight of the ceiling construction.

3. Wire Hangers: Provide galvanized steel wire complying with ASTM A 641, Class 1 zinc coating, soft temper.

1. Size: Select wire diameter not less than 0.106-inch- diameter wire.

2.6 ACCESSORIES

1. Provide manufacturer's standard attachment accessories.

2. Attachment Devices:

1. Grommets: Zinc plated steel grommets [Brass grommets].
2. Hangers: Zinc plated steel hangers [Brass hangers].

PART 003 EXECUTION

3.1 EXAMINATION

1. Examine conditions, with the Installer present, under which ceiling baffles will be installed for compliance with manufacturer's installation requirements.

1. Acoustical installation shall not begin until wet work such as concrete, plastering and terrazzo work is completely dry.
2. Installation shall not begin until the building has been closed to the weather and suitable mechanical ventilation is supplied to maintain condition ranges of 60 degrees F to 85 degrees F at not more than 70% Relative Humidity.
3. Notify the Architect in writing of anticipated problems.
4. Begin installation after unsatisfactory conditions have been corrected.
5. Start of work within a particular area will be construed as the Installer's acceptance of surface conditions.

3.2 INSTALLATION

1. Immediately before installation, baffles shall be stored for a sufficient time to stabilize temperature and humidity conditions ambient during installation and anticipated for occupancy.

2. Install ceiling baffles according to manufacturer's written instructions.

3.3 CLEANING

1. Clean exposed surfaces of acoustical ceiling baffles. Comply with manufacturer's written instructions for cleaning baffles. Remove and replace ceiling baffles that cannot be cleaned completely.

2. At end of each workday, remove waste materials and other discarded materials from the Project site.

END OF SECTION