Business Details
Emergency
services
Trusted Commercial Roofing Solutions in St. Louis
Lorenz & Associates has been a trusted name in commercial roofing for over 48 years, combining integrity, professionalism, and excellence in every project. Our team of trained union professionals specializes in low-slope roofing systems, building envelope assessments, and sustainable solutions, including LEED-certified designs and green roofing technologies. We prioritize unbiased expert advice to deliver the highest quality products at competitive prices while ensuring safety and durability. Our emergency repair services provide rapid response to protect assets, and our comprehensive approach includes life cycle costing, design/build solutions, and ongoing maintenance planning.Affiliated with leading industry organizations, we maintain stringent quality standards and offer extended warranty coverage through partnerships with top manufacturers. With a focus on solving current challenges and forecasting future needs, we serve the Greater St. Louis Metro Area and beyond, delivering results-driven solutions tailored to each client's unique requirements.
Services
Commercial Roof Systems
Roof Assessments
LEED Expertise
Leak Detection
Life Cycle Costing
Design/Build Solutions
Architectural Sheet Metal
Green Roofing
Solar Integration
Emergency Repairs
Highlights and features
- We offer 48+ years of specialized commercial roofing expertise.
- Our LEED-accredited team delivers sustainable, energy-efficient solutions.
- We provide rapid emergency response to protect critical assets.
- Our union professionals combine technical innovation with safety excellence.
- We conduct comprehensive building envelope assessments for long-term planning.
Associations and certifications
- National Roofing Contractors Association
- Midwest Roofing Contractors Association
- US Green Building Council
- United Union of Roofers, Waterproofers and Allied Workers
Services
Commercial Roof Systems
We specialize in low-slope commercial roofing systems including single-ply, built-up, and modified bitumen membranes. Our solutions incorporate advanced technologies for durability, energy efficiency, and code compliance. With expertise in thermoset, thermoplastic, and bituminous materials, we deliver tailored systems that meet fire rating, wind uplift, and longevity requirements for new constructions and replacements.
Roof Assessments
Our comprehensive envelope assessments evaluate roofs, walls, and foundations using forensic analysis and diagnostic tools. We identify moisture intrusion, structural weaknesses, and maintenance needs while providing repair recommendations and capital cost projections. This service helps clients prioritize investments and extend asset lifespans through data-driven planning and commissioning support.
LEED Expertise
As LEED-accredited professionals, we integrate sustainable practices into roofing and facility management. Our solutions reduce environmental impact through energy-efficient designs, stormwater management systems, and renewable energy integration. We assist clients in achieving green building certifications by aligning projects with USGBC standards and optimizing operational sustainability for long-term cost savings.
Emergency Repairs
We provide rapid-response emergency services to address urgent roof failures and weather-related damage. Our team performs temporary stabilization and permanent repairs to protect personnel, equipment, and inventory. With 24/7 availability for critical situations, we minimize downtime while implementing preventative maintenance programs to enhance system longevity and performance.
Green Roofing
Our green roofing systems combine environmental benefits with functional performance. We design installations that reduce urban heat island effects, improve air quality, and manage stormwater runoff. These systems incorporate vegetation layers, drainage mats, and waterproofing membranes to create sustainable rooftop ecosystems that enhance building efficiency and meet modern environmental standards.
People
Paul Lorenz
President
Paul Lorenz leads Lorenz & Associates with decades of roofing industry experience, overseeing strategic operations and client relationships while maintaining the company's commitment to quality and innovation.
Eric Lorenz
VP/Project Manager
Eric Lorenz manages project execution and client coordination, leveraging technical expertise to ensure timely delivery of complex roofing solutions while upholding the company's standards of professionalism.
Tom Anderson
Operations Manager
Tom Anderson directs daily operations, focusing on safety compliance and technical innovation to maintain the company's reputation for excellence in commercial roofing services.
Joe Geisel
Yard Manager
Joe Geisel oversees material management and equipment logistics, ensuring efficient resource allocation for projects while maintaining inventory standards that support rapid service response.
Lisa Shelton
Office Manager
Lisa Shelton manages administrative operations and client communications, providing organizational leadership that supports the company's commitment to professional service delivery.
Questions
What commercial roofing systems do you specialize in?
We specialize in low-slope systems including EPDM, TPO, PVC, built-up roofing, and modified bitumen membranes, along with green roofing and solar-integrated solutions.
Do you offer emergency roof repair services?
Yes, we provide rapid-response emergency repairs for urgent roof failures, with temporary stabilization and permanent solutions to protect assets and minimize downtime.
Can you help with LEED-certified roofing projects?
Our LEED-accredited team designs sustainable roofing systems that meet green building standards, incorporating energy efficiency and environmental responsibility into facility management plans.
What areas do you serve?
We primarily serve the Greater St. Louis Metro Area but handle projects throughout Missouri and surrounding regions for commercial and industrial clients.
Do you provide roof assessments and maintenance planning?
Yes, we conduct comprehensive building envelope assessments and develop preventative maintenance programs to extend roof lifespans and optimize performance.
Are your professionals certified and insured?
Our union-certified technicians maintain industry accreditations through partnerships with leading organizations, and we carry full liability and workers' compensation insurance.
