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50+ Years
experience
Concrete & Waterproofing Solutions Charlotte
KMAC is a family-owned construction services company founded in 1934, with a legacy built on integrity, craftsmanship, and trust. Our expertise spans gypsum concrete underlayments, sound control systems, elevated concrete solutions, and below-grade waterproofing, serving multifamily, commercial, and mixed-use projects. With decades of experience and over 90 years of combined leadership from three generations of Krasen family members, we deliver precision and reliability in every project. Our commitment to innovation ensures we combine proven methods with modern systems to meet evolving industry standards. We prioritize clear communication, proactive problem-solving, and dependable scheduling to ensure seamless project execution. Our team has installed millions of square feet of high-performance flooring and waterproofing solutions across the Southeast, from Washington D.C. to Florida and Tennessee.

As a licensed applicator, we maintain strong partnerships with suppliers to provide up-to-date, code-compliant solutions. Our focus on quality extends to rigorous training, strict adherence to safety protocols, and a dedication to client satisfaction from start to finish. We serve diverse markets including luxury apartments, high-rise buildings, and rehabilitation projects, ensuring durable and compliant results. Our reputation for reliability and precision makes us a trusted partner for builders, developers, and architects seeking long-term solutions.
Services
Gypsum Concrete Underlayment Sound Control Systems Self-Leveling Cements Below Grade Waterproofing Elevated Concrete Solutions
Details
  • Year established: 1934
Highlights and features
  • We bring over 90 years of experience in concrete and construction solutions.
  • Three generations of family leadership ensure unwavering commitment to quality.
  • Worry-free service with clear communication and proactive problem-solving.
  • Reliable scheduling to meet demanding project timelines.
  • Proven solutions trusted in millions of square feet of installations.
Services
Gypsum Concrete Underlayment
Gypsum concrete underlayments enhance acoustic performance and fire resistance in multifamily and commercial buildings. Our installations meet strict STC/IIC ratings and UL-certified standards. Durable solutions up to 4500 psi compressive strength ensure compliance and longevity.
Sound Control Systems
Sound control systems reduce impact noise in floor-ceiling assemblies. Available in customizable configurations to meet code-driven requirements. Integrates with underlayments for superior noise reduction and comfort in residential and commercial spaces.
Self-Leveling Cements
Self-leveling cements create smooth substrates for flooring finishes. Ideal for correcting uneven surfaces and tight tolerances. Fast-setting options accelerate timelines while ensuring long-term durability and stability in renovations and new builds.
Below Grade Waterproofing
Below-grade waterproofing safeguards foundations against water intrusion and hydrostatic pressure. Uses advanced membranes and drainage systems to maintain structural integrity. Ensures long-term protection for basements and underground structures in demanding climates.
Elevated Concrete Waterproofing
Elevated concrete and waterproofing systems protect decks and breezeways from moisture damage. Combines durable concrete placement with liquid or sheet membranes. Ensures code compliance and longevity in exposed architectural elements.
People
Rod Krasen
Founder/Chairman
Rod Krasen established KMAC in 1934, leading with integrity and a commitment to quality. He continues to mentor the team, ensuring adherence to core values across generations of leadership.
Jerry Krasen
President/CEO
Jerry Krasen has guided KMAC's growth into a trusted regional contractor. His focus on client relationships, attention to detail, and dedication to project excellence define his leadership approach.
Colin Krasen
General Manager/COO
Colin Krasen oversees daily operations as KMAC's third-generation leader. He prioritizes hands-on management, client relationships, and maintaining the company's reputation for quality and trust in every project.
Questions
What services does KMAC of the Carolinas offer?
We provide gypsum concrete underlayments, sound control systems, self-leveling cements, and elevated/below-grade waterproofing solutions for multifamily, commercial, and mixed-use projects.
Do you serve areas outside North Carolina?
Yes, we serve the entire Southeast, including Virginia, Florida, Tennessee, and Georgia, supporting projects from Washington D.C. to Jacksonville.
How can I schedule a project with KMAC?
Contact our production manager directly at 704-398-8911 to discuss timelines and coordinate your project's workflow with our team.
What makes KMAC different from other contractors?
Over 90 years of combined leadership experience, three generations of family ownership, and a focus on precision, reliability, and worry-free service distinguish our approach.
Are your construction solutions code-compliant?
Yes, all our systems meet or exceed STC/IIC acoustic standards, UL listings, and local building codes for fire resistance and structural performance.