Green Metal Roofing and Manufacturing Inc. is Oshawa’s top choice for professional metal roofing installations and contractor services. With nearly 40 years of Canadian-owned experience in manufacturing and installation, we continue to set the standard for quality, reliability, and customer satisfaction. Contact us today to book your free, no-obligation roofing quote.
Metal Roofing Oshawa
Green Metal Roofing and Manufacturing Inc. proudly serves Oshawa with professional metal roofing installations and superior cladding products. Contact us now to schedule your free quote!
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Services We Offer
Residential Metal Roofing Oshawa
At Green Metal Roofing, we understand the importance of protecting your Oshawa home with a roof that is as durable as it is beautiful. For decades, we’ve been the trusted name in residential metal roofing, handling everything from simple upgrades to complex installations with the same dedication to excellence. Our mission is to provide homeowners with a roofing experience defined by craftsmanship, professionalism, and lasting value.
With an array of profiles and colours to choose from, we make it easy to find a roofing solution that enhances your home’s curb appeal. Our German steel materials are built for resilience, offering protection against rust, corrosion, and severe weather while remaining low-maintenance and eco-conscious. Choosing Green Metal Roofing ensures not just a strong roof, but a smart investment in your home’s future.
Reach out today to arrange your free, no-obligation roofing consultation.

Commercial Metal Roofing Oshawa
The unmatched durability and low-maintenance performance of metal roofing make it a smart investment for Oshawa commercial properties. With nearly 40 years of industry expertise, Green Metal Roofing Inc. continues to deliver roofing systems backed by strong warranties and trusted results.
Our roofs are specifically designed to withstand corrosion, rust, and stains while also offering fire and lightning resistance. Every installation is completed by our own in-house professionals, ensuring consistent quality and dependable workmanship. With an extensive selection of colours and designs available, we’ll help you choose a roof that enhances your building’s appearance while providing superior protection.
Call us today to speak with one of our product experts and arrange your free, no-obligation quote.

Agricultural Metal Roofing Oshawa
From barns and silos to sheds and storage facilities, a growing number of Oshawa agricultural buildings are protected by Green Metal Roofing systems. Offering reliable, year-round defence against Ontario’s toughest weather conditions, as well as fire and lightning, our roofs safeguard your investment inside and out.
With close to 40 years of proven experience in roofing manufacturing and installation, we deliver unmatched quality and service. Every roofing system is designed for long-term durability and is supported by our comprehensive warranty, giving you peace of mind for decades.
Request a call back today or contact us directly to book your free, no-obligation consultation.

Cottage Metal Roofing Oshawa
Your cottage is your getaway—a place to relax, recharge, and make lasting memories with loved ones. But having a home away from home comes with its own maintenance challenges. When it comes to roofing, a Green Metal system ensures you won’t need to worry about repairs, so you can enjoy your time at the cottage without interruption.
For almost four decades, Green Metal Roofing has specialized in providing premium roofing services to both homes and cottages, delivering superior materials, expert installation, and unmatched customer care. Our roofs are built for strength, beauty, and peace of mind.
We proudly service cottage owners throughout Kawartha Lakes, Muskoka, Huron County, Bruce County, Simcoe County, and The Blue Mountains.
Call today or request a call back to book your free consultation with one of our roofing specialists.

How We Work In 3 Simple Steps
We know that our residential roofing customers take pride in their homes and quality improvements will only add to their enjoyment and to the value of their investment. That’s why Green Metal Roofing Inc. is uncompromising when it comes to choosing our suppliers and the roof products we carry.
Quotation & Advice
Our team will meet with you in person to determine the perfect roofing solution for your home.
Product Customization
Customize your roof by selecting from seven different profiles and a variety of colours to best suit your home design or specialty project.
Installation
Our professional installers will ensure that the entire process, from beginning to end, is worry and hassle free.
How We Work In 3 Simple Steps
We know that our residential roofing customers take pride in their homes and quality improvements will only add to their enjoyment and to the value of their investment. That’s why Green Metal Roofing Inc. is uncompromising when it comes to choosing our suppliers and the roof products we carry.
Oshawa Metal Roof Pictures
FAQ
Welcome to our FAQ section, where we address common queries and concerns to provide you with comprehensive information about our products and services. Whether you’re curious about installation processes, maintenance tips, or product specifications, our FAQ section is designed to offer clear and concise answers to help you make informed decisions. Explore our frequently asked questions to find valuable insights and solutions, and feel free to reach out to our team for further assistance.
Does the type of roofing material matter in hurricane protection?
Yes, roofing materials play a major role in how well a home withstands hurricanes. Metal roofing, for example, is often recommended in coastal and storm-prone areas because of its durability, wind resistance, and ability to shed debris. Impact-rated asphalt shingles are another option, designed specifically to resist cracking or tearing under high wind pressure. Tile and slate can be strong, but they require expert installation and reinforcement to prevent pieces from becoming airborne in strong winds. The right material choice can significantly improve a home’s hurricane resilience.
Beyond the material itself, the installation method also matters. Roof systems that interlock or use concealed fasteners are less likely to fail under pressure. Waterproof membranes beneath the surface add another layer of security, helping protect the home even if outer materials are compromised. Investing in quality materials combined with professional installation ensures the roof remains strong during extreme conditions. Homeowners who consider these factors will be better prepared when hurricanes strike.
Do sloped roofs handle rainwater better than flat roofs?
Yes, sloped roofs are generally more effective at managing rainwater because their angled design encourages water to flow off quickly. This minimizes pooling, which is one of the most common causes of leaks and structural issues. Materials like shingles or metal panels on a sloped roof are designed to overlap, further directing water downward and away from vulnerable areas. Properly installed gutters and downspouts work with the slope to ensure efficient drainage. As a result, sloped roofs typically have fewer water-related problems over time.
Flat roofs, on the other hand, can be more prone to water accumulation. While they are not completely flat, their minimal pitch can slow drainage, especially if gutters or internal drains become clogged. Standing water on flat surfaces increases the risk of leaks and accelerates wear on roofing materials. To counteract this, flat roofs often use special membranes and drainage systems to protect against water infiltration. With proper maintenance, flat roofs can still perform well, but they demand more attention than sloped designs.
What role does siding material play in selecting a roof colour?
The material of your siding can influence which roof colours will look best. For example, natural materials like brick or stone often feature varied tones, so it’s wise to pick a roof colour that highlights one of those shades. Vinyl siding, which comes in consistent, solid colours, pairs well with contrasting roof tones to add visual interest. Wood siding works beautifully with earthy tones such as green, brown, or bronze, creating a warm, natural look. Matching the roof colour to undertones in the siding material ensures a cohesive finish.
Durability and maintenance should also be considered when pairing materials. Darker roof colours tend to hide dirt and aging, which can be a practical choice for light-coloured siding. Reflective, lighter roof colours may be more energy-efficient in sunny climates, which pairs well with siding that has a modern or coastal look. By factoring in both appearance and function, homeowners can choose a combination that not only looks good but also performs well for decades. A thoughtful pairing creates both beauty and practicality.
Why should I schedule roof and window inspections at the same time?
Roof and window inspections go hand in hand because both systems play a major role in protecting your home from the elements. A damaged roof can lead to leaks that compromise walls and window frames, while faulty windows can allow drafts and moisture to enter, undermining the roof’s ability to regulate indoor comfort. Inspecting both ensures that water intrusion, heat loss, or air leaks are caught before they create larger structural problems. When done together, homeowners get a clearer picture of how well their home is sealed and protected. This coordinated approach saves time and often uncovers connections between issues that might otherwise go unnoticed.
Another advantage is cost-effectiveness. Instead of scheduling separate visits, having both areas inspected together reduces service calls and allows professionals to coordinate repairs more efficiently. For example, if flashing around windows ties into siding or roof lines, both inspectors can address potential weak points at the same time. This holistic approach strengthens your home’s envelope, ensuring maximum durability and energy efficiency. By combining inspections, you gain peace of mind knowing that two of the most important protective barriers in your home are being evaluated simultaneously.
Why does roof weight matter for a home?
Roof weight plays an important role in the structural safety and stability of a home. Every roof adds a load to the walls and foundation, and if it’s too heavy for the structure, it can cause long-term stress or even structural damage. Materials like asphalt shingles are relatively light, while tile, slate, and some types of metal roofing are much heavier. Builders and contractors must ensure that the roof weight matches the home’s design and load-bearing capacity. Without this balance, a roof can compromise the integrity of the entire structure.
Beyond safety, roof weight also affects how a home responds to external pressures such as wind and snow. A heavier roof may withstand strong winds better, but it also places more demands on the building below. In snowy climates, the combined weight of the roof and accumulated snow must be carefully considered. This is why understanding roof weight is not only about the roofing material itself but also about how it interacts with the environment. Homeowners benefit from knowing that the right balance ensures both performance and longevity.
Contact Us
Have any questions? We’d love to hear from you. Feel free to call us or send an email and we’ll get back to you as soon as possible.
Contact Us
Have any questions? We’d love to hear from you. Feel free to call us or send an email and we’ll get back to you as soon as possible.

55 Years of Guaranteed Roofing Performance
With Green Metal Roofing’s 55-year warranty, you get more than a roof—you get decades of proven durability, beauty, and unmatched value.
Learn More
55 Years of Guaranteed Roofing Performance
With Green Metal Roofing’s 55-year warranty, you get more than a roof—you get decades of proven durability, beauty, and unmatched value.
Learn More