KMAC of the Carolinas

KMAC of the Carolinas, Inc. began in Minnesota as simply KMAC in 1986. We are Licensed Applicators of Hacker Gypsum Concrete Floor Underlayments, installers of waterproofing and concrete systems for elevated decks and breezeways, and provide a variety of flatwork concrete services ranging from sidewalks to post-tension slabs.

FIRM-FILL® brand Gypsum Concrete Underlayments

As one of the first Licensed Applicators for Hacker Industries, Inc. Gypsum Concrete we have a close, personal relationship with our supplier, which ensures we have the most up-to-date product information and services. Approximately 10 years ago, Hacker Industries, Inc. requested that KMAC expand its operation to meet the growing demand for gypsum concrete floor underlayments in Charlotte, NC. Since that time we have installed over 50,000,000 square feet of Hacker Floor Underlayments from Washington, D.C. to Jacksonville, FL, and the Atlantic Coast to Nashville, TN. Additional benefits of Hacker Floor Underlayments:

• Ideal for new construction and renovation in multi-family, custom homes and commercial projects • Over 84 UL Listings; Exceptional sound control • Strong (up to 5500 psi), durable surface for finished floor coverings

Sound Control

KMAC of the Carolinas also provides and installs impact sound insulating materials. Installed in conjunction with our Hacker Floor Gypsum Concrete Underlayments, these sound control products significantly reduce sound transfer and meet stringent codes for hard surface areas. As an additional service, we can provide design services, installations and testing.

• Hacker Sound Mat II – Sound mat composed of 100% recycled rubber for increased IIC ratings • Quiet Qurl™ – 3-dimensional sound mat designed to limit impact noise between floors

Waterproofing & Concrete

KMAC of the Carolinas also offers elevated waterproofing and concrete that is ideal for decks and breezeways. Our knowledgeable supervisors work closely with project superintendents to ensure the architect’s intent is met.

Post Tension Slab on Grade Foundations


If you would like more information, please do not hesitate to contact us. We are confident KMAC of the Carolinas can provide you with worry-free services, a quality product, and scheduling abilities that meet the most demanding of timelines.

(704) 398-8911