New
Roof
Installation.
New commercial roof installations built to last decades. TPO, EPDM, metal, and modified bitumen systems with industry-leading warranties.
Starting a new commercial construction project or replacing an aging system entirely? ZMAC Construction delivers expert new roof installations across the Denver metro area — from initial system specification through final inspection — using premium materials engineered for Colorado's demanding climate.
A new commercial roof installation is a significant investment, and getting it right from the start is critical. The system you choose, the quality of the installation, and the details of the flashing, drainage, and penetration work will determine how your roof performs over the next 20 to 40 years. ZMAC's project managers work with you from the design phase to select the right system — whether TPO, EPDM, modified bitumen, metal, or a hybrid approach — and ensure the installation is executed to manufacturer specifications so your warranty is fully protected.
We handle commercial new roof installations for office buildings, retail centers, warehouses, industrial facilities, multi-family properties, and new construction projects of all sizes. Every installation includes a pre-installation substrate inspection, detailed project documentation, and a final walkthrough with the property owner or facilities manager to confirm the work meets our standards and yours.
Key Features.
Code-Compliant Design
Energy-Efficient Systems
Manufacturer Warranties
Project Management
FAQ.
Commercial new roof installation involves a complete sequence of work: substrate inspection and preparation, insulation installation (if applicable), membrane or system installation, flashing and edge metal work, penetration detailing, and final inspection. ZMAC manages every phase of this process, coordinating with general contractors on new construction projects or working directly with building owners on full replacement projects. We use materials from leading manufacturers including GAF, Firestone, Carlisle, and Owens Corning, and our installations are performed to manufacturer specifications to ensure full warranty eligibility.
Timeline varies based on roof size, system type, and site conditions. A straightforward single-story commercial building of 10,000–20,000 square feet typically takes 3–7 business days for installation. Larger or more complex projects — multi-story buildings, projects with significant penetrations, or phased installations on occupied buildings — may take 2–4 weeks. We provide a detailed project schedule before work begins and communicate any changes proactively throughout the project.
Yes, ZMAC Construction provides free, no-obligation estimates for all commercial roofing projects. We'll visit your property, inspect the existing conditions, discuss your system options and budget, and provide a detailed written proposal. Call us at 720-355-3780 or submit a request through our contact form and we'll schedule your assessment within 1–2 business days.
In Colorado's high-UV and hail-prone climate, TPO (Thermoplastic Polyolefin) and EPDM (Ethylene Propylene Diene Monomer) are highly popular for their durability and reflectivity. Metal roofing is also a top choice for long-term performance and hail resistance. We specialize in all major flat and sloped commercial systems.
Selection depends on your building's structure, local building codes, energy efficiency goals, and budget. ZMAC provides a comprehensive assessment to recommend the ideal system—whether it's cool-roof TPO for energy savings or durable EPDM for low maintenance. We help you weigh the upfront costs against long-term operational savings.
We offer both manufacturer material warranties (often 20-30 years) and ZMAC's own workmanship warranties. As certified installers for major brands like GAF and Carlisle, we can offer the highest levels of NDL (No Dollar Limit) protection available in the industry, ensuring your investment is fully covered.
Our Installation Process.
Assessment
Detailed evaluation of your structural needs and local building codes.
Specification
Selecting the optimal material, insulation, and membrane for your facility.
Execution
Expert installation follow manufacturer specs for full warranty protection.
Inspection
Multi-point quality check and walkthrough to ensure 100% satisfaction.
Why Choose ZMAC for Your Project?.
With over 25 years of experience in the Colorado commercial market, we understand the unique challenges of building in a high-altitude, variable climate.
Fully Licensed & Insured
Comprehensive coverage for your protection and peace of mind on every jobsite.
Manufacturer Certified
Elite status with GAF, Carlisle, and Firestone allows us to offer extended warranties.
Local Colorado Expertise
We design systems specifically for Denver's unique sun, hail, and snow challenges.
