Acoustical Design Guidelines

Click here to review Hacker Industries, Inc.'s Acoustical Design Guidelines for an overview of various sound tests conducted with FIRM-FILLĀ® Brand Gypsum Concrets and FIRM-FILL SCM Underlayments. FIRM-FILL Brand Gypsum Concretes and FIRM-FILL SCM Underlayments have been evaluated in a wide range of assemblies.

For a custom acoustical evaluation of your floor/ceiling assembly, please complete the following information to see if your project qualifies.

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