Acoustical Design Guidelines

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| Sound control solutions for multifamily, residential and renovation projects. |

Thank you for your interest in Hacker Industries, Inc.’s Acoustical Design Guidelines. This brochure is designed to provide an overview of the various sound test conducted using Hacker Industries, Inc.’s FIRM-FILL® Brand Gypsum Concretes and FIRM-FILL® SCM Underlayments.

Hacker Industries, Inc.’s FIRM-FILL® Gypsum Concretes and Sound Control Mats meet rigorous standards and help reduce noise transmission between units to ensure peace of mind and meet today’s high expectations. Our dedication to the building community and our commitment to quality are as strong as the floors our products create.

Please provide us with the following information so we can keep you up-to-date on future acoustical testing performed with our products. Fields marked with an * are required.

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These guidelines shall be a resource only and are not a guarantee of performance. FIRM-FILL® SCM is only one component in an overall floor/ceiling assembly. Its acoustical performance is affected by every other component. The likelihood of achieving code compliance is contingent upon many other trades including (but not limited to) framers, plumbers and drywall contractors. Developers and general contractors are responsible for building properly and testing field performance as soon as possible in order to ensure the reliability of the project. Laboratory tests are not a guarantee of field performance because of the issues noted above and many other design and/or construction errors that may occur. Please consult a professional acoustical consultant to assure specifications are written correctly and that the floor/ceiling assembly can perform to expectations. Field performance testing shall be done to ensure reliability of design prior to occupancy.