7 Warning Signs Your Commercial Roof Needs Replacement
Your commercial roof is one of the most important assets protecting your building, equipment, employees,…
Delivering dependable commercial and industrial roofing solutions built to perform, protect, and last — backed by decades of proven experience since 1942.
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Contact us for a free estimate and we will follow up within one business day with your estimate.



























Since 1942, National Roofing & Sheet Metal Co., Inc. has specialized in roofing services for commercial, industrial, government and education applications throughout Souteastern Michigan and the United States. From new roofs to recurring maintenance inspections and emergency leak repair, we offer reliable service, a knowledgeable staff, and expert craftsmanship on roofing projects of all sizes.
Family Owned
We have been family owned and operated since our inception in 1942 and love serving the local community that we can home.
Licensed & Insured
We are fully licensed and insured, giving you peace of mind knowing your project is protected every step of the way.
(810) 742-7373
We provide expert commercial and industrial roofing services, delivering durable, energy-efficient roofing systems designed to protect your facility, minimize downtime, and maximize long-term performance.
Professional installation of high-performance roofing systems designed for durability, energy efficiency, and long-term protection.
Heavy-duty roofing solutions built to withstand demanding environments, large structures, and complex facility requirements.
Complete tear-off and replacement services to upgrade aging or failing roofs with modern, reliable systems.
Fast, effective repairs to address leaks, storm damage, punctures, and wear before they turn into costly problems.
With our Umbrella Program, you can rest assured that your commercial property stays professionally maintained.
Our 24/7 leak repair service stops damage fast and protects your building when it matters most.
Fast, reliable storm damage repair to restore your roof and protect your property from further harm.
Thorough evaluations to identify damage, ensure compliance, and provide detailed reporting for owners and manager.
We’re a family‑owned commercial and industrial roofing contractor with deep roots in Michigan since 1942. We deliver expert roofing solutions—from new roof installations and maintenance programs to emergency leak repair—backed by decades of experience, a commitment to safety, and a team dedicated to quality craftsmanship on projects big and small across Michigan and throughout the United States.
We’ve been serving Michigan and beyond since 1942, delivering professional commercial and industrial roofing solutions with decades of trusted experience.
Your peace of mind matters. We are fully insured, meet all safety standards, and maintain a long track record of safe, compliant roofing projects.
Roof problems don’t wait, and neither do we. Our emergency repair team is available around the clock to protect your property when you need us most.
We provide free estimates for all of our roofing projects. Whether you need minor repairs, maintenance services, or a roof replacement, we have you covered.
We provide guarantees on all of our work.
Check out some of our recent roofing projects to see our capabilities and attention to detail.
Check out some of our recent roofing projects to see our capabilities and attention to detail.
Don’t just take our word for it! See what a few of our customers have said about us recently.
"National Roofing handled our office building’s roof replacement with incredible professionalism. They stayed on schedule, kept our business disruption to a minimum, and the quality of work is outstanding. Highly recommend for any commercial roofing project!"
Based in Genesee County, Michigan, we specialize exclusively in commercial and industrial roofing services for businesses throughout the surrounding region. While our headquarters are local, our experience extends far beyond our immediate area, with completed projects across Michigan and throughout the United States.
From large scale warehouse and manufacturing facilities to office buildings and multi-unit commercial properties, we deliver professional, detail-driven roofing solutions built for performance and longevity. Our team is committed to quality workmanship, safety, and minimal disruption to your operations, providing dependable roofing systems that protect your facility and your investment.
(810) 742-7373
Have questions? Below you will find clear answers about our roofing services, what it’s like to work with us, and more.
We work with flat, low-slope, metal, TPO, EPDM, PVC, and built-up roofing systems for industrial and commercial buildings.
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Roof lifespan depends on materials and maintenance. Metal and TPO roofs can last 20–35 years, while built-up roofs typically last 15–25 years.
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Yes! Regular inspections and preventative maintenance help extend your roof’s life and prevent costly repairs.
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We respond promptly to minimize damage. Emergency repairs can often be completed within 24–48 hours, depending on severity.
Absolutely. We are fully licensed and insured to protect your business and property throughout the project.
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Yes. We plan projects around your schedule to minimize downtime and keep your operations running smoothly.
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We provide manufacturer warranties on materials and workmanship warranties on installations to ensure peace of mind.
Signs include leaks, ponding water, damaged flashing, and worn or blistered roofing materials. Our experts provide a thorough inspection and honest recommendation.
We provide expert commercial roofing insights to help you protect your property, minimize downtime, and control long-term costs.
Your commercial roof is one of the most important assets protecting your building, equipment, employees,…
Choosing the right roofing system for your commercial or industrial building is a major decision.…
Your industrial roof protects your facility, equipment, inventory, and daily operations. Whether you operate a…