Hacker Industries

Hacker Industries is a manufacturer of gypsum underlayments and self-levelers for dry construction headquartered in Newport Beach, California. It is known for its FIRM-FILL line.

Its floor systems combine gypsum underlayments, acoustic mats and accessories for multifamily housing, hotels and commercial buildings.

The company publishes its 800-642-3455 phone number, system documentation and authorized applicator network on its official website.