Wallmate® - Stretch Fabric Acoustical Wall System

SECTION 09 77 13

Wallmate^® Stretched-Fabric Acoustical Wall System

PART 1 GENERAL

1. SECTION INCLUDES
   1. Wallmate^® stretched-fabric acoustical wall system and accessories for wall installation.
2. REFERENCES
   1. Reference Standards: American Society for Testing and Materials (ASTM)
      1. ASTM E84: Standard Test Method for Surface Burning Characteristics of Building Materials.
      2. ASTM C423: Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method.
      3. ASTM E795: Standard Practices for Mounting Test Specimens During Sound Absorption Tests
3. SUBMITTALS
   1. Product Data: Manufacturer’s data sheet and installation instructions.
   2. Samples: Submit, at minimum, a 4” x 4” sample for each type of specified acoustical product.
   3. Test Reports: Upon request, submit certified test reports to verify specified product performance.
4. MAINTENANCE MATERIAL
5. Extra Materials:
   1. Deliver no less than two percent (2%) / (Other) of each type, color and pattern of material.
   2. Extra materials shall remain in the manufacturer’s original packaging and given to the building owner upon substantial completion of the work. Store extra materials per instructions as described in storage and handling requirements.
6. QUALITY ASSURANCE
   1. Qualifications:
      1. Manufacturers: Provide acoustical wall system from a single manufacturer.
      2. Installers: Utilize an installer having demonstrated experience on projects of comparable size and complexity.
   2. Performance Requirements:
      1. Surface Burning Characteristics: Acoustical wall system to perform as specified when tested in accordance with ASTM E84. Acoustical wall system burning performance should comply with the International Building Code and other local building code requirements.
      2. Acoustical Characteristics: Acoustical wall system to perform as specified when tested in accordance with ASTM C423.
7. DELIVERY, STORAGE, AND HANDLING
   1. Storage and Handling Requirements:
      1. Handle acoustical wall system components carefully to avoid any damage.
      2. Store acoustical wall system components indoors in a clean, cool, dry place, and out of direct sunlight.
      3. Store acoustical wall system components in a space where the ambient temperature and humidity conditions are being maintained at the levels indicated for the project when occupied for its intended use.
8. SITE CONDITIONS
   1. Ambient Conditions:
      1. Maintain ambient temperature and humidity conditions at levels indicated for the project when occupied for its intended use.
      2. Do not install acoustical wall system under environmental conditions outside manufacturer’s recommended limits.
   2. Existing Conditions: Do not install acoustical wall system until space is enclosed and weather proofed, and wet work is completely dry.
9. WARRANTY
   1. Provide manufacturer’s written product warranty per Section 01 77 00 – Closeout Procedures.

PART 2 PRODUCTS

(Specifier Note: Red colored text below requires you to select an option before this specification can be completed. Options in red text are bound by parenthesis. Additional Wallmate information can be found on our website: www.acousticalsurfaces.com

1. MANUFACTURERS
   1. Acoustical Surfaces, Inc., 123 Columbia Court N, Chaska, MN 55318.
      Phone: 952-448-5300. Fax: 952-448-2613. Website: www.acousticalsurfaces.com
2. DESCRIPTION
   1. Product: Wallmate^® stretched-fabric acoustical wall system by Acoustical Surfaces, Inc.
   2. Product Options:
      1. System Description: Stretched-fabric system over acoustical backer
      2. Thickness: (9/16”) / (1-1/16”)
      3. Size: 84” Stick Lengths
      4. Edge Detail: (Square) / (Bevel) / (Radius)
      5. Finish: Guilford of Maine Acoustical Fabric
      6. Mounting Method: Direct Attach
   3. Product Performance:
      1. Acoustical Performance
         1. Noise Reduction Coefficient (NRC) per ASTM C423:

1. Surface Burning Performance
   1. Fire Rating per ASTM E84: Class A.

PART 3 EXECUTION

1. EXAMINATION
   1. Verification of Conditions:
      1. Examine surfaces scheduled to receive furred out or directly attached acoustical wall system for unevenness, irregularities or dampness that would affect quality and execution of work.
      2. All wet work in the installation area must be complete, cured, and dry prior to installation.
      3. Wall assembly shall be complete, inspected, and accepted before wall work begins.
2. INSTALLATION
3. Comply with manufacturer’s instructions and recommendations for installation of acoustical wall system and with industry standards.
4. CLEANING
5. Clean surfaces of acoustical wall system per manufacturer’s instructions or recommendations.
6. Remove and replace damaged or discolored material and material that cannot be properly cleaned.
7. PROTECTION
8. Protect installed work from damage due to subsequent construction activity, including temperature and humidity limitations and dust control, so that the work will be without damage and deterioration at the time of acceptance by the owner.

END OF SECTION

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