More people are embracing sustainable construction. From small garden upgrades to full-scale home renovations, there’s a growing interest in building structures that are both durable and environmentally friendly. However, not all materials that seem robust are enduring.
Take stainless steel, for example. It’s often the go-to choice for outdoor projects because of its shiny finish and modern appeal. It seems like it could withstand anything. In reality, though, that’s not always true.
In this article, we take a closer look at why material choice matters and what to consider when building for the long term.
Sustainable Outdoor Spaces on the Rise
The design world is increasingly embracing sustainability, with more homeowners and businesses turning to eco-friendly materials. Natural fencing options like bamboo, wood, and stone are gaining popularity due to their aesthetic appeal and environmental benefits.
Bamboo, for example, is a renewable resource that grows quickly and requires minimal processing. Stainless steel is another sustainable material known for its durability, corrosion resistance, low maintenance needs, and 100% recyclability. These materials help create outdoor spaces that are both beautiful and aligned with sustainability goals.
However, some still question whether stainless steel truly lives up to its ‘stainless’ and low-corrosion reputation. Let’s take a closer look at its actual performance in resisting rust and other forms of corrosion.
The Truth About Stainless Steel in Outdoor Projects
Image from kickassgrills
Stainless steel is widely recognized for its durability and toughness, but it is not completely immune to damage. Although it is called “stainless,” it can still corrode, tarnish, and rust, particularly in environments with high humidity or near coastal areas. Over time, this deterioration may become more noticeable.
While coatings and high-grade finishes can offer some protection, regular maintenance is still necessary to maintain its appearance and performance. This requirement for upkeep can add effort, cost, and frustration, leading some to explore alternative materials that better suit their specific environments and long-term needs.
Is Stainless Steel Truly Sustainable?
Stainless steel has a reputation for being a durable and recyclable material, and these qualities play a big role in its sustainability. According to sustainability studies from the International Stainless Steel Forum (ISSF), the environmental impact of stainless steel depends largely on how it is produced—specifically, how much scrap is used in the process.
Producing stainless steel from 100% raw materials emits around 5.3 tons of COâ‚‚ per ton of steel. In contrast, using 100% recycled scrap reduces that to about 1.6 tons. Most manufacturers follow a mixed production route, which puts their emissions somewhere in between. While the use of virgin materials does result in higher emissions, the long lifespan and recyclability of stainless steel help offset some of its initial impact over time.
So is stainless steel sustainable? Often, yes—especially when scrap content is high. It’s not the greenest option available, but with responsible sourcing and recycling practices, it remains a practical and relatively eco-friendly choice for long-term projects.
Sustainable Alternatives for Outdoor Projects
If you’re looking for more sustainable options, there are several alternatives worth considering:
BambooÂ
Bamboo is a fast-growing plant, making it a renewable resource. It’s biodegradable and can be used to create stylish and eco-friendly fencing options.
Reclaimed WoodÂ
Using reclaimed wood reduces the need for new timber and gives materials a second life. It’s perfect for creating rustic, natural-looking fences that blend well with the environment.
Corten Steel (Weathering Steel)
This type of steel rusts on the surface but creates a protective layer that helps prevent further corrosion. It has a longer lifespan and a raw, earthy aesthetic that suits many outdoor designs.
Living Fences (Hedgerows or Vertical Gardens)
Image from Hometown Fences
Using plants to create fences not only adds a green touch but also supports biodiversity and helps improve air quality. It’s a natural, beautiful option that reduces noise and can even contribute to the overall sustainability of your property.
These alternatives to stainless steel offer the same level of safety and privacy while leaving a smaller carbon footprint. Among them, living fences stand out as one of the best options. Made from living materials, they enhance security and support local biodiversity by attracting plants and animals.
If you’re considering durable plant options for creating a living fence at home, check out this related read: Tropical Living Fences: Best Outdoor Plants for Natural Fences in Homes and Businesses.
A More Sustainable Future
Stainless steel can be a viable choice for certain sustainable outdoor projects, but other materials offer greater environmental benefits. Greener alternatives such as bamboo, reclaimed wood, and living fences help minimize ecological impact while adding long-term value to your space. Using these materials, whether combined with stainless steel or not, supports eco-conscious design and enhances both the aesthetics and functionality of your outdoor area.Â
References
Hilscher, D., & Fisher, R. (n.d.). Does Stainless Steel Rust | Metal Casting Resources. Reliance Foundry. Retrieved April 11, 2025, from https://www.reliance-foundry.com/blog/does-stainless-steel-rust
Sustainability Meets Durability: The Environmental Benefits of Stainless Steel. (n.d.). Unified Alloys. Retrieved April 11, 2025, from https://www.unifiedalloys.com/blog/stainless-environmental-benefits
Thyssenkrupp. (n.d.). Does stainless steel rust? Thyssenkrupp. https://www.thyssenkrupp-materials.co.uk/does-stainless-steel-rust