Working with Trusted Suppliers: The Key to Quality and Sustainability

Cornell Roofing and Sheet Metal, a stalwart in the Kansas City commercial roofing market since 1927, stands as a testament to the enduring importance of using high-quality, durable materials in roofing projects. As the backbone of their services, Cornell Roofing places a premium on sourcing materials from trusted suppliers, a comprehensive list of which can be found on their website at


In the challenging and dynamic world of commercial roofing, the selection of materials is a critical decision that reverberates throughout the lifespan of a structure. Cornell Roofing and Sheet Metal understands that durability is not just a buzzword; it’s a commitment to long-lasting, reliable solutions. Utilizing premium materials ensures that the roofs they install withstand the diverse weather conditions of the Kansas City region, from scorching summers to icy winters.


One key benefit of high-quality materials is their ability to resist wear and tear, ultimately reducing the frequency of repairs and replacements. This not only translates to cost savings for clients but also minimizes disruptions to their businesses. Cornell Roofing’s dedication to using top-tier materials is a cornerstone of their customer-centric approach.


Moreover, investing in durable materials is an eco-friendly choice. By minimizing the need for frequent replacements, Cornell Roofing and Sheet Metal contributes to sustainability efforts and reduces the environmental impact of roofing projects. It aligns with the company’s commitment to responsible business practices, showcasing a forward-thinking approach to commercial roofing.


Cornell Roofing and Sheet Metal’s nearly 100 year-long legacy of success in the Kansas City market is intricately linked to their unwavering commitment to high-quality, durable materials. Through meticulous material selection and a roster of trusted suppliers, Cornell Roofing continues to shape the skyline of Kansas City with roofs that stand the test of time, embodying the essence of reliability, resilience, and customer satisfaction.


To learn more about Cornell Roofing and Sheet Metal, visit or call 816-252-8300. 


Cornell Roofing & Sheet Metal Co. Announces Promotion of Lenny Austin to President

Kansas City, January, 25, 2024 – Cornell Roofing and Sheet Metal, a leading commercial roofing company with a legacy dating back to its establishment in 1927, proudly announces the promotion of Lenny Austin to the position of President. Owner Mary McNamara will continue to serve as CEO, ensuring a seamless transition and continued success for the company.

Lenny Austin brings nearly 30 years of invaluable experience to his new role. He began with Cornell Roofing and Sheet Metal as a Roofing Project Manager and advanced to Vice President. His extensive background in the roofing industry encompasses product manufacturing, project management, and technical services. Lenny has been a registered roof observer (RRO) since 2007 and is a certified Solar Roofing Professional (CSRP), showcasing his commitment to excellence and expertise in the field. Lenny’s wealth of knowledge and exceptional management skills have played a crucial role in the continuous growth of Cornell Roofing and Sheet Metal.

Owner and CEO Mary McNamara, who acquired Cornell Roofing and Sheet Metal in 2007, expresses confidence in Lenny’s ability to lead the company into its next chapter of success. Mary is a seasoned executive in the roofing industry who brought a  wealth of knowledge when she joined the company in 2006. Under her leadership, the company has consistently grown year over year, solidifying its position as a top competitor in Kansas City and the Midwest market.

Mary McNamara is not only dedicated to the success of Cornell Roofing and Sheet Metal but is also actively involved in leadership roles within business, industry, and community organizations. Her vision and strategic guidance have been instrumental in shaping the company’s trajectory, and her continued involvement ensures a strong foundation for the future of the company as it nears its 100th year in business.

As Lenny Austin assumes the role of President, the leadership team at Cornell Roofing and Sheet Metal remains committed to delivering exceptional roofing solutions and maintaining the company’s reputation as an industry leader. The combination of Lenny’s expertise and Mary’s visionary leadership positions Cornell for continued growth and success in the years to come.

Lenny Austin, President of Cornell Roofing 2024

Building a Stronger Tomorrow: The Enduring Value of Local Support

As a locally owned commercial roofing contractor with nearly a century of service in the vibrant Kansas City community, the team at Cornell Roofing and Sheet Metal understands the intrinsic link between a thriving business and the community it calls home. Supporting local businesses, nonprofit organizations, and community initiatives isn’t just a feel-good sentiment during the holidays; it’s an investment in the collective well-being and future prosperity of our beloved KC Metro that should be carried throughout the year as you look ahead in 2024.

Local businesses are the backbone of any community, contributing to its economic growth, creating jobs, and fostering a unique identity that sets it apart. When you choose to support local enterprises, you’re not just buying a product or service; you’re investing in the heart and soul of your community. As a commercial roofing contractor deeply rooted in Kansas City, we’ve witnessed firsthand the positive impact that local support can have on businesses, large and small.

Nonprofit organizations play a pivotal role in addressing the specific needs of our community, from education and healthcare to the arts and social services. By supporting local nonprofits, we contribute to the betterment of our community and ensure that essential services are available to those who need them most. Cornell Roofing and Sheet Metal’s commitment to local nonprofits extends beyond our business operations, with a dedication to actively participate in initiatives that uplift the community we’ve been proud to serve for nearly a century. We encourage our vendors, customers and colleagues to engage with their favorite nonprofit missions as well.

Community organizations are the threads that weave together the fabric of our society. By fostering a sense of belonging and connection, these groups create spaces for collaboration, cultural enrichment, and shared experiences. As a business ingrained in the local landscape, we recognize the importance of contributing to the initiatives that strengthen the bonds within our community, including our local Chambers of Commerce, Rotary Clubs and multiple other civic and service organizations.

In conclusion, supporting local businesses, nonprofits, and community organizations isn’t just a choice; it’s a responsibility we all share. As a roofing contractor deeply embedded in the history and growth of Kansas City, Cornell Roofing and Sheet Metal takes pride in our role as not just a business entity but as a dedicated member of this community. Together, through local support and collective efforts, we can build a stronger, more resilient tomorrow for generations to come.

To learn more about Cornell Roofing and Sheet Metal, visit or call us at 816-252-8300. 

Elevating Excellence: The Paramount Role of Safety in Commercial Roofing

In the dynamic world of commercial roofing, safety isn’t just a priority; it’s a cornerstone of our commitment to excellence at Cornell Roofing and Sheet Metal. Serving the Kansas City region since 1927, we understand that a secure roofing project is a successful one, and that’s why we prioritize safety protocols that set industry standards.

Safety, Our Topmost Priority:

At Cornell Roofing and Sheet Metal, safety isn’t an afterthought; it’s woven into the fabric of our operations. Our unwavering dedication to the well-being of our team and the success of our projects is evident in every safety protocol we implement.

Compliance and Certifications:

Adhering to stringent safety regulations and industry best practices, we proudly boast an array of certifications. Our team undergoes regular safety training, ensuring that every member is equipped with the latest knowledge and skills to navigate potential hazards effectively.

Protecting Our Team:

Our roofing professionals are our greatest asset, and their safety is paramount. From fall protection systems to proper use of personal protective equipment (PPE), we leave no stone unturned in safeguarding our team members throughout the project lifecycle.

Minimizing Project Risks:

Safety isn’t just about protecting our team; it’s about safeguarding your investment. Rigorous safety measures mitigate project risks, ensuring that timelines are met, and budgets are adhered to. This commitment to safety not only safeguards your commercial property but also enhances the longevity and durability of your commercial roofing solution.

The Cornell Advantage:

Choosing Cornell Roofing and Sheet Metal means choosing a partner dedicated to the highest safety standards. Our commitment to safety isn’t just a promise; it’s a reflection of our values, ensuring that your commercial roofing project is executed with precision, efficiency, and the utmost safety.

In the unpredictable world of roofing, one thing remains constant – the importance of safety. At Cornell Roofing and Sheet Metal, we don’t just meet safety standards; we elevate them, ensuring that every project reflects our unwavering commitment to excellence.

For more information on how we prioritize safety in our commercial roofing projects, visit our website: or call us at 816-252-8300. Choose Cornell Roofing and Sheet Metal – where safety and excellence converge for your commercial roofing needs in the Kansas City heartland.

The Essential Role of High-Quality Sheet Metal Fabrication and Installation in Commercial Roofing

As a seasoned commercial roofing contractor with decades of experience, the team at Cornell Roofing and Sheet Metal can attest to the pivotal role that high-quality sheet metal fabrication and installation play in ensuring the longevity and performance of commercial roofing systems. When it comes to protecting your business investment, the importance of getting the details right cannot be overstated.

Sheet metal serves as the backbone of many commercial roofing systems, and its quality is paramount. Here’s why:

Durability and Longevity: Commercial roofs are subjected to harsh environmental conditions year-round. High-quality sheet metal fabrication using materials such as stainless steel or aluminum ensures resistance to corrosion, rust, and other elements that can prematurely degrade your roof. A well-constructed sheet metal roof can last for decades, reducing long-term maintenance costs.

Leak Prevention: The watertight seal provided by expertly fabricated and installed sheet metal flashings and components is critical for preventing leaks. These components, such as flashing around roof penetrations and seams, act as the first line of defense against water infiltration, keeping your interior dry and your assets protected.

Energy Efficiency: Energy-efficient roofing systems are a top priority for many businesses. Sheet metal can be used to create reflective or cool roofing surfaces that reduce heat absorption, decreasing energy costs by maintaining a cooler building interior.

Customization and Aesthetics: High-quality sheet metal allows for customization, enabling commercial property owners to choose from a wide range of finishes and designs that complement their architectural aesthetics. Well-designed sheet metal details enhance the overall look and curb appeal of the building.

Weather Resistance: From heavy snow loads to strong winds and hailstorms, commercial roofs must withstand various weather challenges. Quality sheet metal installations can withstand these pressures, ensuring the integrity of your roofing system during extreme weather events.

Maintenance and Repairs: Proper sheet metal installation minimizes the need for ongoing repairs and maintenance, saving you both time and money in the long run.

Using high-quality sheet metal and an award-winning sheet metal contractor like Cornell Roofing and Sheet Metal with proven expertise is critical. It’s the difference between a roofing system that provides reliable protection for years and one that requires constant attention and costly repairs. As a commercial roofing contractor, we’ve seen firsthand how investing in quality sheet metal pays off in terms of durability, efficiency, and aesthetics. If you’re planning a commercial roofing project, make sure you partner with experienced professionals who understand the significance of precision in sheet metal fabrication and installation. It’s a choice you won’t regret when your roof continues to perform flawlessly year after year.

To learn more about Cornell Roofing and Sheet Metal and our award-winning sheet metal team, visit or call 816-252-8300.

The Cornerstone of Success: Quality Materials in Commercial Roofing

At Cornell Roofing and Sheet Metal, we’ve been proudly serving the Kansas City market for nearly a century, and our longevity is no accident. Throughout our history, we’ve built a reputation as a trusted commercial roofing contracting company, and a key part of our success lies in our unwavering commitment to using high-quality materials from the most trusted manufacturers in the industry. Today, we want to share the importance of this practice and how it contributes to the longevity, sustainability, and performance of commercial roofing systems.

1. Longevity:

A commercial roof is a significant investment, and one that should last for decades, not just a few years. By using high-quality materials, we ensure that our roofing systems stand the test of time. Quality materials are built to withstand the harshest weather conditions, including the extreme heat and cold we experience in the Kansas City area. They resist deterioration, cracking, and fading, giving our clients peace of mind knowing their roofs will protect their properties for years to come.

2. Sustainability:

Sustainability is a top concern in today’s construction industry, and commercial roofing is no exception. High-quality roofing materials not only enhance a building’s energy efficiency but also contribute to its overall sustainability. Durable materials mean fewer replacements, reducing waste and environmental impact. Additionally, many reputable manufacturers are now offering eco-friendly options, such as cool roofing materials that reflect sunlight and reduce the urban heat island effect.

3. Performance:

Performance is paramount when it comes to commercial roofing. A well-constructed roof should provide exceptional insulation, minimize leaks, and require minimal maintenance. When you choose quality materials from reputable manufacturers, you’re investing in performance. These materials are rigorously tested to meet industry standards, ensuring that your roof performs flawlessly year after year.

At Cornell Roofing and Sheet Metal, our nearly 100 years in the business have taught us that the cornerstone of a successful commercial roofing project is the materials we use. We take pride in partnering with reputable manufacturers that share our commitment to quality, longevity, sustainability, and performance. When you choose us for your roofing needs, you’re choosing a legacy of excellence that spans generations.

To learn more about Cornell Roofing and Sheet Metal and the products we use in our commercial roofing and sheet metal projects across the Kansas City region, visit or call 816-252-8300.

Eight Tips for Protecting Roofing from the Heat

Here in the Midwest, we see our fair share of scorching temperatures during summer months. At Cornell Roofing and Sheet Metal, we use products built to withstand extreme temperatures, but ongoing maintenance is essential to get the most out of your commercial roofing and minimize wear and tear. Proper care and maintenance can extend the lifespan of your commercial roof and help prevent costly repairs. Here are some tips to maintain commercial roofing in high temperatures:

  1. Regular Inspections: Schedule routine inspections by a professional roofing contractor, like Cornell Roofing and Sheet Metal. We are skilled in identifying any signs of damage or deterioration caused by heat exposure, such as cracks, blisters, or loose seams. Early detection allows for timely repairs.
  1. Clean and Clear: Keep your commercial roof clean from debris, leaves, and branches. Regularly remove any accumulated dirt or debris, as they can trap heat and contribute to premature deterioration. Ensure gutters and drains are clear to prevent water accumulation that can damage the roof’s integrity.
  1. Roof Coatings: Apply reflective roof coatings that have high solar reflectance and thermal emittance properties. These coatings help reduce heat absorption and keep the roof surface cooler. This, in turn, lowers the overall temperature of the building and reduces energy costs.
  1. Proper Insulation: Ensure the roof is properly insulated to minimize heat transfer into the building. Adequate insulation helps maintain a consistent internal temperature, reducing the strain on the cooling systems and preventing excessive heat from affecting the roof structure.
  1. Maintain Ventilation: Proper ventilation is crucial to dissipate heat and moisture from the roof. Ensure that vents, fans, and exhaust systems are functioning correctly. Adequate ventilation prevents the buildup of heat and moisture that can cause roof damage and compromise the building’s integrity.
  1. Address Repair Needs Promptly: Any signs of damage, such as leaks or cracks, should be addressed promptly to prevent further deterioration. High temperatures can exacerbate existing problems, leading to more extensive damage if left unattended.
  1. Professional Maintenance: Engage the services of a professional roofing contractor like Cornell Roofing and Sheet Metal to conduct regular maintenance and repairs. We will work with you to ensure that potential issues are identified and addressed before they escalate.
  1. Be Mindful of Foot Traffic: Limit unnecessary foot traffic on the roof, especially during the hottest times of the day. Excessive walking on the roof can cause damage to the surface, especially when the materials are already affected by high temperatures.

By following these maintenance practices, you can effectively protect your commercial roof from the damaging effects of high temperatures. Regular inspections, proper cleaning, insulation, and ventilation will help ensure the longevity and performance of your commercial roofing system even in challenging hot weather conditions.
To learn more about Cornell Roofing and Sheet Metal and our commercial roofing maintenance and inspection programs, visit or call 816-252-8300.

Warning Signs for Summer Heat Safety

In our line of business at Cornell Roofing & Sheet Metal, we are accustomed to dealing with extreme weather conditions. The safety and well being of our crews are our number one priority. Midwest summer heat is no joke. Whether you’re roofing a skyscraper or out mowing the lawn, there are important warning signs you should heed when working in the summer heat. The following are heat-related illnesses symptoms to take seriously.


Heat Exhaustion:

  • Profuse sweating

  • Fatigue or weakness

  • Dizziness or lightheadedness

  • Headache

  • Nausea or vomiting

  • Pale, cool, or clammy skin

  • Rapid or weak pulse

  • Muscle cramps


Heat Stroke (a medical emergency!):

  • High body temperature (above 103°F or 39.4°C)

  • Hot, red, and dry skin (no sweating)

  • Rapid and strong pulse

  • Throbbing headache

  • Confusion or disorientation

  • Dizziness or loss of consciousness

  • Nausea or vomiting

  • Seizures


Heat Cramps:

  • Painful muscle cramps and spasms, usually in the legs or abdomen

  • Sweating

  • Heat Syncope (Fainting):

  • Feeling lightheaded or faint

  • Loss of consciousness, usually brief

  • Pale, cool, and moist skin

  • Sweating


Heat Rash:

  • Skin irritation or redness

  • Small, red bumps or blisters

  • Itching or prickling sensation

  • Often occurs in areas of the body covered by clothing


It’s important to be vigilant about these symptoms and take immediate action if you or your co-workers experience any signs of heat-related illnesses. Prompt attention and proper medical care are crucial, especially in cases of heat stroke, which can be life-threatening.

If someone is showing signs of heat stroke, call emergency services immediately and take immediate steps to cool them down while waiting for medical help. Move the person to a shaded area, remove excess clothing, and apply cool water or ice packs to their body.


Regular training, awareness, and a proactive approach to heat safety can help prevent heat-related illnesses. Communicate any discomfort or symptoms and make an effort to look out for yourself and your co-workers.

To learn more about Cornell Roofing and Sheet Metal, visit or call 816-252-8300.

National Safety Month: Safeguarding Workers and Excellence in Commercial Roofing

As we stop to recognize National Safety Month each year in June, Cornell Roofing and Sheet Metal notes that it is crucial for commercial roofing companies like ours to emphasize the significance of workplace safety each day of the year. The roofing industry inherently carries risks, making it vital to prioritize safety measures to protect workers and ensure successful project outcomes. Cornell Roofing and Sheet Metal aims to highlight the importance of National Safety Month for our company and our partners, and explore practical steps we can all take to enhance safety protocols and create a culture of safety throughout the year.


Prioritizing Safety: Protecting Lives and Assets:

At Cornell Roofing and Sheet Metal, we recognize the value of safety in protecting our most valuable assets—our employees. Roofing projects involve working at heights, handling heavy materials, and using specialized equipment, making safety a paramount concern. By prioritizing safety, we work together to not only prevent accidents and injuries but also protect our  reputation, reduce financial risks, and enhance project outcomes for our customers. A safe working environment promotes employee well-being, job satisfaction, and overall productivity, ultimately contributing to the success of the company.


Creating a Culture of Safety:

National Safety Month offers an opportunity for commercial roofing companies like Cornell Roofing and Sheet Metal to reinforce their commitment to safety by establishing a culture that values and prioritizes it. At Cornell Roofing and Sheet Metal, we achieve by conducting regular safety training programs, toolbox talks, and safety inspections. Encouraging open communication channels for reporting potential hazards or near misses is vital. By fostering a culture of safety, we empower our crews to actively participate in identifying risks, implementing safety measures, and continually improving safety practices.


Compliance with Standards and Regulations:

Compliance with safety standards and regulations set forth by Occupational Safety and Health Administration (OSHA) to ensure a safe working environment is vital in our industry. This includes conducting regular inspections, hazard assessments, and providing appropriate personal protective equipment (PPE) to workers. Compliance not only mitigates legal risks but also demonstrates a commitment to worker safety and professionalism. Staying up-to-date with safety guidelines and regulations is an ongoing process that companies must prioritize.


National Safety Month serves as a reminder for all of us in the commercial construction trades to review and reinforce our safety practices. By prioritizing safety, creating a culture of safety, and complying with relevant standards and regulations, we can protect workers, enhance project outcomes, and set new standards for success. Safety should be a continuous focus, not just during National Safety Month, but throughout the year, ensuring a secure and productive work environment for all.

To learn more about Cornell Roofing and Sheet Metal, visit or call 816-252-8300.

What’s Trending in Commercial Roofing

Commercial roofing is an essential aspect of building construction that requires proper planning and execution to ensure durability, longevity, and sustainability. Over our 96 years in business, Cornell Roofing and Sheet Metal has been a leader in staying up on the latest technologies to give our customers the best possible results. Our industry is constantly evolving, with new trends emerging to address current needs, challenges, and demands. Here are some of the current trends we’re seeing across the nation in commercial roofing:


Sustainability: The push towards environmentally-friendly roofing materials and methods is gaining momentum. Many commercial building owners are opting for sustainable roofing solutions that are energy-efficient, long-lasting, and environmentally friendly.


Cool roofs: Cool roofing systems are gaining popularity as they can reduce energy costs by reflecting sunlight and heat away from the building. They are made of materials that have high solar reflectance and thermal emittance, such as white or light-colored roofs, metal, and tiles.


Green roofs: Green roofing systems are becoming more popular as building owners look for ways to improve their environmental footprint. These roofs are covered with vegetation and can help to reduce stormwater runoff, mitigate the urban heat island effect, and improve air quality.


Flat roofs: Flat roofing systems are widely used in commercial buildings due to their low maintenance costs and ease of installation. They are particularly useful in urban areas where space is limited.


Coatings: Roof coatings are increasingly being used to extend the lifespan of commercial roofs. They are applied on top of existing roofs to provide a protective layer that can help to prevent leaks, improve energy efficiency, and enhance the overall appearance of the roof.


Technology: Advancements in technology are being incorporated into commercial roofing to improve safety, efficiency, and quality. For instance, drones are used to inspect and map commercial roofs, while software is used to monitor and analyze roof performance.


Cornell Roofing and Sheet Metal and our colleagues in the commercial roofing industry are evolving to meet the changing needs and demands of building owners. Sustainable, energy-efficient, and environmentally friendly roofing solutions are gaining traction, while technology is being used to enhance the lifespan and performance of commercial roofs. As the industry continues to grow, it is expected that more innovative and advanced roofing solutions will emerge. For information about Cornell Roofing and Sheet Metal and the types of roofing systems we offer, visit or call 816-252-8300.