Green Metal Roofing: 10 Reasons Why Steel Roof Is Green

green metal roofing canada

When we think of green roofs, we may think of green roofs with plants on top. But a green roof means so much more than green colour: the roof is environmentally sustainable. They put energy conservation, waste and sustainable materials at the top of these roofs, to save the Earth. 

Metal roofing is one of the things we don’t talk about in green metal roofing, but you have to put it there. This has a high level of strength, recyclable and energy efficient qualities making it an excellent option for the green home owner. Metal roofs are environmentally sound whether you are trying to lower your carbon footprint or enhance your home’s energy performance. 

In this post, learn about the green metal roofing and why it is such an eco-friendly option. By learning its specific benefits, you can make the best decision for your house and for nature. 

What Makes a Roof Green?  

A green roof is not so much about what it looks like, but also how environmentally sustainable it is. They are roofs that use material and construction that consume less energy, produce less waste, and last longer. The objective is to design a roof that is eco-friendly, but still works. 

The major benefits of green metal roofing are heat-reflection, energy-saving and sustainable or recycled materials. These options aren’t just for homeowners who enjoy savings on costs, they reduce the overall carbon footprint of building projects. A truly green metal roofing works well in all the directions, from creation to upkeep and then disposal. 

These standards and even more are fulfilled with metal roofs. They’re energy efficient, recyclable and versatile — making them the best bet. Here are some of the hallmarks of green roofs: 

  • Durable materials that mean fewer replaces.

  • Energy-efficient coatings or designs.  

  • Disposable and minimum environmental footprint in manufacturing.

Read more: Metal Roofing Innovations and Trends for 2024

10 Reasons Why Steel Roof is Green 

  1. Durability and Longevity  

Green metal roofs last 50+ years, compared with other roofing options such as asphalt shingles, which have to be replaced every 20. This reduces the amount of raw materials required and the amount of waste produced by roof replacement. 

      2. High Recyclability  

The green metal roofing are usually recycled metal and 100% recyclable at the end of life. This also encourages circular economy, as it minimises the need for new materials and reduces the amount of waste going to the landfill. 

     3. Energy Efficiency  

Green metal roofing catches solar heat and lowers the heat trapped in the home. They are thus more efficiently cooled and less energy intensive than any other roof covering. 

    4. Lightweight Construction  

Green metal roofing weighs much less than tiles or concrete, and doesn’t need as many reinforcements. It not only saves material but also reduces the environmental footprint of buildings. 

     5. Solar Panel Compatibility  

Metal roofs are also very strong and make for great solar panels. Green metal roofing will not need to be replaced mid-way through your panels’ lifecycle, which makes renewable energy installations even more efficient. 

  1. Low VOC Coatings  

Today’s green metal roofing comes with low-VOC (volatile organic compound) coatings that minimize toxic emissions in the initial installation phase as well as over the life of the roof. Not only are these coatings corrosion-resistant to metal but they make for cleaner indoor and outdoor air. 

  1. Reduced Heat Island Effect  

If you live in a city, for example, the heat island effect — cities that get much hotter than the rural areas around them — can increase energy use. Reflective coatings on green metal roofing prevent this by deflecting heat and reflecting solar radiation back into the atmosphere. 

  1. Fire Resistance  

Green metal roofing is inflammable, which means that they’re much less likely to burn than either wood or asphalt shingles. This makes fires less likely to blaze, especially in wildfire zones, and therefore makes communities safer and more sustainable. 

  1. Stormwater Management  

Standing seam metal roofs can be connected to rainwater harvesters that collect runoff for re-use. This aspect helps with water conservation and reduces pressure on municipal wells during high rain. 

  1. Long-Term Compatibility With Add-Ons  

The steel roofs are highly customizable for green building solutions like solar panels, cool roof coatings, even rooftop gardens. This integration keeps the roof useful and green through its entire life cycle. 

Green Metal Roofing: Recyclability & Sustainability  

green metal roofing

Metal roofs are green because they can be recycled, this is the most important reason. The green metal roofing tends to be heavily recycled like aluminium or steel, and therefore uses a lot less virgin material. When their useful life is up, metal roofs can be re-used in other products, no one gets waste. 

It is a closed-loop recycling process, so roof materials do not end up in landfills (like asphalt shingles, which are the most waste from construction). By opting for a green metal roofing, you decrease the total amount of roofing industry waste, an increasingly big environmental issue. 

Not only are steel roofs recyclable, but they use less materials to manufacture than, for example, clay or slate. Green metal roofing eco-friendliness is due to these features: 

  • Up to 95% recycled in production. 
  • Fully compostable at the end of their useful life. 
  • Eco-friendly manufacturing mitigates pollution. 

Read more: Top 10 Metal Roofing Companies in Ontario

Energy Efficiency: Cool Roof Technology  

The cool roof system on the metal roof is one of the most unique features which are very eco-friendly. Reflective green metal roofing coatings reflect sunlight, making homes more arid in the summer. That lowers the need for air conditioning which accounts for a large part of the home’s energy bill. 

This energy efficiency not only saves you money, it helps the environment as well by lowering the energy grid’s burden during summer. Because green metal roofing uses less electricity, they involuntarily reduce carbon dioxide from power generation, and so they’re an environmentally conscious option for homeowners. 

Cool roofs also counter urban heat island effect – when cities get hotter because of a disproportionate number of heat-reflective materials such as asphalt. Green metal roofing keeps cities cooler: 

  • Reflective coatings lower indoor temperatures.  
  • Lower energy consumption because of less need for air conditioning. 
  • Reduces urban heat island in densely populated areas. 

Green Metal Roofing and Solar Panels  

solar panels on a metal roof

Steel roofs are a natural pair with solar panels and they’re a winning combination in sustainability. Green metal roofing provides a solid support for the solar panels so both of these can last decades without major repairs or replacements. Their durability trumps solar panels, which is what keeps renewable investments in place for the long term. 

In addition, because metal roofs are lightweight, they can be installed with solar mounts and don’t put stress on the building. They’re flat and easy to install as well, which saves homeowners time and money on labour. 

If you’re looking to solar, green metal roofing is unlike any other: it’s a 100% compatible with solar power: 

  • Long life matches the life of the solar panel. 
  • Simple Installation: Time and labor are avoided. 
  • Offers an unbeatable foundation for renewable energies. 

Read more: Solar Panels Over Metal Roof: 8 Things You Should Know

Contribution to LEED Certification  

Green metal roofing helps earn you LEED (Leadership in Energy and Environmental Design), which is the global standard for green building. The recycled content, energy efficiency, and durability they offer support LEED certification to make buildings even better. 

A construction project gets an added sustainability bonus if it features a metal roof. You earn LEED points when you install recycled materials, designs that use less energy, and systems that are environmentally friendly. This makes green metal roofing an asset for contractors and homeowners who want to become green certified. 

Voices are the specific LEED benefits of metal roofs: 

  • Good recycled content gets material credits. 
  • Reflective paints save energy points. 
  • Long lifespan supports durability-focused certifications.  

Environmental Impact Comparisons 

Roofing MaterialProduction Emissions (CO2/kg)Recyclability (%)Waste Generated Over 50 Years (kg)
Metal Roofs2.510050
Asphalt Shingles7.210200
Clay Tiles5.050150
Wood Shakes6.520120

With roofing materials, you need to know what their environmental impact is in order to make a green decision. Green metal roofing is especially popular because these roofs generate very low production emissions, are highly recyclable, and have very little waste in the long-term. Other standard products such as asphalt shingles, clay tiles and wood shakes are generally not that good in these regards. 

Production Emissions  

In the manufacture of roof tiles, there are several CO2 emissions. It is quite common for metal roofs to emit very low amounts of CO2 (2.5 kg of CO2 per kg of material), especially compared to asphalt shingles (7.2 kg of CO2 per kg). Production of clay tiles and wood shakes are also more polluting (5.0 kg and 6.5 kg CO2 per kg, respectively). This is what makes metal roofs greener at the point of production. 

Production Emissions comparison

Recyclability  

A very big plus point of the metal roof is the 100% recyclable nature. Green metal roofing can be totally remade at the end of their life unlike asphalt shingles, which are recycled only about 10 per cent. There is some compostability in clay tiles (50%) and wood shakes (only 20%). By choosing a metal roof you are helping to reduce waste and help in a circular economy. 

Recyclability  by roofing material

Waste Generated  

When you look at an average 50-year life, green metal roofing produces much less waste (50 kg) than asphalt shingles (200 kg), clay tiles (150 kg) and wood shakes (120 kg). This long life and low waste production also make them very eco-friendly because they have less to replace and less stuff to be thrown in the landfill. 

waste generated comparison by roofing material

Conclusion

Not only are metal roofs a long-lasting, stylish roof solution, but they are also a critical first step towards eco-living. Their longevity means less replacements, which means less waste and less wasted energy in the long run. In contrast to conventional materials, which might need replacing multiple times over the same period, metal roofs can last for decades, with the lowest environmental impact possible. 

Also, green metal roofing is extremely energy efficient and can be a great investment for homeowners that want to save money and be green in the future. Metal roofs reflect indoor heat better than traditional metal roofs which helps reduce your power consumption for cooling in hot environments. Not only does this benefit individuals’ families, but also it helps ease load on the grid and reduce greenhouse gas emissions. 

One of the best things about green metal roofing is that they can be recycled. As they are composed of high percentages of recycled materials and are 100% recyclable at the end of their lifespan, metal roofs are circular economies in the purest sense. They don’t demand fresh materials, and they don’t land in landfills. Combine that with the fact that they can be used in combination with alternative energy sources such as solar panels, and metal roofs become a foundation for green and environmentally friendly construction.

The decision to go with a metal roof isn’t just a cost-effective one, but also a sustainability and environmental decision. While people become worried about climate change and resource shortages, green alternatives such as metal roofing is one of the most effective ways for homeowners to contribute. From building a new house to replacing an old roof, green metal roofing is an environmentally friendly, energy-saving and environmentally responsible solution for a healthier planet in the future. 

 

See our works

Giving you a sense of what a metal roof will look like in your home of commercial property