Steel - the most sustainable material among three popular roofing materials

According to a life-cycle analysis on sustainability, high-quality steel roofs offer advantages for the climate compared to other roof types. 

The study, carried out by WSA (World Steel Association), concluded that the steel roofs tested (high-quality steel roofs, with long lifespan) had the lowest overall effect on the climate – up to 60% less than other roof types. 

The study covered climate effects from: 

• construction of the roof, including packaging materials, 
• maintenance, and 
• end-of-life, meaning recycling, reuse, incineration, and disposal to landfill. 

High-quality steel roofs are more climate-friendly mainly due to the end-of-life benefits – primarily recycling advantages and the low need for maintenance. Steel roofs can be reused and recycled, up to almost 100%.

To read or download the Life Cycle analysis pdf, click here. 

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