Hacker Industries

Hacker Industries, Inc. manufactures high‑performance FIRM‑FILL® gypsum concrete underlayments and sound‑control systems for multifamily, commercial, and renovation projects. For more than four decades, we’ve supplied architects, contractors, and applicators with reliable, code‑compliant solutions that improve acoustics, fire resistance, and floor performance. With billions of square feet installed nationwide, we continue to engineer underlayment systems that deliver strength, consistency, and long‑term value across every build.