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Trusted Concrete & Masonry Contractors in Oklahoma City
Cemplex Group has been a leader in concrete and masonry contracting for over three decades, specializing in gypsum underlayments, sound control systems, and elevated waterproofing solutions. Our nationwide network of trained professionals delivers precision-engineered results for residential, commercial, and multifamily projects. We pioneered the use of Smart Batch Systems to ensure perfect mixing ratios for every project, combining advanced technology with industry-leading warranties. Our commitment to the ICOMPEL values framework drives continuous improvement in safety, quality, and customer satisfaction. With 14.8 million square feet of leak-free balconies waterproofed and 112 million square feet of smooth gypsum installations completed, we provide reliable, code-compliant solutions.

Our factory-trained crews adhere to strict installation guidelines, offering a 10-year system warranty that exceeds industry standards. Through strategic partnerships with major developers and contractors, we maintain our position as America's largest substrate and underlayment group while ensuring operational consistency across all service regions.
Services
Gypsum Concrete Sound Control Balcony Waterproofing Floor Leveling Elevated Concrete
Highlights and features
  • We offer 30+ years of specialized concrete and masonry experience
  • Our Smart Batch Systems ensure perfect mixing ratios for every project
  • We provide a 10-year industry-leading waterproofing system warranty
  • Factory-trained installers meet exacting manufacturer standards
  • Nationwide service network covering 6 key operational regions
Associations and certifications
  • Underwriters Laboratories (UL)
What people say
Efficient service Durable results Expert waterproofing On-time delivery Reliable team
Services
Gypsum Concrete
Our gypsum concrete underlayments provide fire-resistant, non-shrinking flooring solutions with superior sound reduction properties. The material creates smooth surfaces ready for final flooring installations while meeting strict construction timelines. Our Smart Batch Systems ensure precise mixing ratios for consistent quality across large-scale projects.
Sound Control
We install advanced sound control systems that reduce noise transmission between living units using UL-listed floor-ceiling assemblies. Our solutions combine rigid platform technologies with fire-rated underlayments to improve livability standards. Third-party tested mats guarantee performance compliance with architectural specifications.
Balcony Waterproofing
Our balcony waterproofing systems use patented Elevation technology with termination pockets to prevent water intrusion. Every installation includes flood-testing and comes with a 10-year warranty. Factory-trained crews apply complete waterproofing solutions for wood-frame and concrete structures following manufacturer guidelines.
Floor Leveling
We provide precision floor leveling using HydroPhase levelers and engineered solutions for both new construction and renovation projects. Our methods address critical height requirements and substrate challenges while maintaining strict flatness tolerances required for modern flooring materials.
Elevated Concrete
Our elevated concrete expertise covers balconies, hallways, and breezeways in multifamily construction. We handle complex placements with specialized finishing techniques and ADA-compliant ramp installations. Wet area applications include integrated waterproofing systems tested before concrete placement.
People
Julia Beaupre
Multifamily Business Development
With over 15 years in construction sales, Julia specializes in multifamily development solutions, helping clients optimize flooring and waterproofing systems for large-scale residential projects across the Midwest region.
Russell Davis
Multifamily Business Development
Russell brings two decades of construction industry experience, focusing on southeast regional markets. He partners with developers to implement code-compliant sound control and waterproofing solutions that enhance building performance and tenant satisfaction.
Corey Partridge
General Manager
As Ohio service center manager, Corey oversees daily operations with 18 years of concrete contracting expertise. He ensures quality control and timely execution of gypsum underlayment and leveling projects across Midwest markets.
Matthew Gramling
General Manager
Matthew manages Atlanta operations with extensive experience in structural waterproofing systems. He supervises technical teams implementing balcony and elevated concrete solutions that meet strict durability and safety standards.
Joe Wilson
Multifamily Business Development
Joe specializes in southwest market expansion, helping developers implement durable concrete solutions. With 22 years in construction sales, he focuses on technical system applications that improve building longevity and code compliance.
Questions
What types of construction projects do you specialize in?
We specialize in multifamily residential, commercial, and high-rise construction projects requiring gypsum underlayments, sound control systems, and elevated waterproofing solutions.
Do you offer warranties for your waterproofing systems?
Yes, we provide a 10-year manufacturer warranty for our Elevation waterproofing systems, the longest in the industry for elevated balcony applications.
What geographic areas do you service?
We operate in six key regions covering Colorado, Florida, Georgia, Ohio, Oklahoma, Tennessee, and Texas with plans for continued national expansion.
How does your Smart Batch System improve concrete quality?
Our Smart Batch Systems precisely measure every ingredient in real-time, ensuring consistent mixing ratios that guarantee material performance and structural integrity for large-scale pours.
Are your installers certified for specialized systems?
All crews receive factory training from product manufacturers, including UL-certified sound control installations and patented waterproofing system certifications.
Can you handle emergency concrete repairs?
While we focus on scheduled installations, our teams maintain flexibility for urgent corrective concrete work while prioritizing quality assurance protocols.