Last Updated on June 3, 2024 by Annie Baldwin
Composite decking is one of the hottest trends in outdoor living.
With its realistic wood-like appearance and low maintenance requirements, it’s no wonder more and more homeowners are opting for composite over traditional wood.
But is this innovative decking material really better for the environment?
Is Composite Decking Environmentally Friendly?
Composite decking is an environmentally friendly option for your outdoor space.
It is made from 95% recycled materials like reclaimed wood fibers and recycled plastic from manufacturing waste.
This high recycled content results in a decking material with a very small carbon footprint compared to traditional decking.
Composite decking is a durable, low-maintenance, and sustainable choice.
Key Points
- Made from 95% recycled wood and plastic
- Much smaller carbon footprint than traditional decking
- Durable, low maintenance, and sustainable
Our Opinion
In my expert opinion, composite decking is one of the most environmentally friendly options for your outdoor deck.
The high percentage of recycled materials results in a product that is eco-friendly and sustainable without sacrificing durability or performance.
Brands like Trex that prioritize recycled content are excellent choices if you want green decking material.
Composite decking is a great way to reduce your environmental impact while still enjoying a beautiful and functional outdoor living space.
What Is Composite Decking?
Composite decking is made from a blend of recycled wood fibers and recycled plastic. The most common materials used are reclaimed wood and recycled plastic from items like milk jugs, grocery bags, and plastic film. Brands like Trex use up to 95% recycled content in their composite boards.
This recycled plastic and timber normally end up in landfills. By repurposing these materials into durable deck boards, composite decking keeps waste out of landfills and oceans.
Composite decking is also made without any harmful chemicals. Unlike pressure-treated lumber, composite won’t leach chemicals that can cause respiratory effects or contaminate soil and waterways.
And because it lasts longer than wood, composite decking reduces the demand for virgin lumber. The production of virgin lumber contributes to deforestation, habitat loss, and climate change. Composite decking has a smaller carbon footprint and preserves forests.
Is Composite Decking Made From Recycled Materials?
Yes, most composite decking contains a high percentage of recycled content. The exact materials vary by brand, but typically include:
- Recycled plastic from items like milk jugs, grocery bags, and plastic film. This reclaimed plastic accounts for 50-95% of many composite boards.
- Reclaimed wood fibers from scrap wood, sawdust, pallets, crates, and other waste timber. This gives composite boards their realistic wood look.
- Recycled rubber from tires. Some brands use recycled tire rubber to enhance decking performance.
- Reclaimed polymer from industrial processes. Polymers recycled from the manufacturing industry are blended into some composites.
By using recycled and reclaimed materials rather than virgin materials, composite decking gives new life to items that would otherwise end up in landfills. It’s an innovative way to reuse waste and reduce the demand for new plastic and wood.
So next time you see those plastic streaks in composite boards, know they came from recycled milk jugs, bags, and other post-consumer plastics. The wood tones came from reclaimed sawdust, pallets, and scrap timber too. It’s one of the things that makes composite decking a sustainable choice!
Does Composite Decking Last Longer Than Wood?
When comparing composite decking to natural wood, composite does tend to have a longer lifespan. There are a few reasons for this:
- Composite resists rot, decay, splintering, and insect damage better than untreated wood. It won’t warp or split either. This is because it’s made mostly of plastic rather than natural wood fibers.
- The color in composites runs throughout the entire board, so it won’t fade or grey like wood can over time. You’ll get a lasting color that requires less maintenance.
- Composite stands up to weather, sun, and moisture much better than wood. It won’t cup or bend as easily thanks to its durable polymer construction.
- Brands like Trex offer limited 25- to 30-year stain and fade warranties. Unprotected wood can’t match that longevity.
However, quality wood species like cedar and redwood, when properly sealed and maintained, can still last 15-25 years or more. So while composite does last longer overall, well-maintained wood can also have an extended lifespan.
Is Composite Decking Maintenance Free?
Composite decking is often advertised as “maintenance-free,” but this isn’t entirely accurate. While it does require less maintenance than wood, a composite still needs some periodic care.
- You’ll want to sweep off dirt and debris regularly before it gets ground in. This prevents buildup that can lead to staining.
- Occasional soap and water cleaning is recommended, using composite-safe cleaners. This prevents mildew growth and keeps the color vibrant.
- Refrain from using pressure washers above 1500 psi, as high pressure can damage the composite.
- Resealing and refinishing aren’t needed, but some brands recommend rejuvenating the deck every 2-3 years with composite refreshers.
- Inspect for damage. Nicks and scratches are rare but can happen. Spot repairs can be made to prevent further damage.
So while composite won’t require heavy sanding, staining, or sealing like wood, it still benefits from light maintenance. Following the manufacturer’s care guidelines will ensure your composite decking retains its beauty for decades. The small upkeep required is worthwhile when you consider the durability and longevity composite provides.
Does Composite Decking Have Any Environmental Issues?
Composite decking is often touted as an eco-friendly decking option, but there are some environmental considerations. Here’s an overview:
- Most composite is made partially from recycled materials like reclaimed wood or plastic. This gives new life to waste that would otherwise end up in landfills.
- However, composite production does consume energy and resources. Trex claims their boards use 95% recycled content, but the manufacturing process still contributes to carbon emissions.
- Composite won’t rot, crack, or leach chemicals like treated lumber can. This makes it safer for people and the environment.
- On the other hand, composite can’t be recycled after its usable life. It gets landfilled, though some companies are working on recycling programs.
- Composite emits low VOCs, avoiding the respiratory effects of wood treatments. But some composites may off-gas slightly in hot weather. Proper ventilation is advised.
So while composite decking has some eco-friendly attributes, it isn’t perfect. Homeowners should weigh the pros and cons vs. other deck materials. For many, the durability and low maintenance of composite outweigh the environmental trade-offs.
FAQ
Is Composite Decking More Environmentally Friendly?
Composite decking is generally more eco-friendly than traditional wood decking because it is made largely from recycled materials like reclaimed wood fibers and recycled plastic. This gives it a smaller carbon footprint.
What Is the Most Eco-Friendly Decking?
Composite decking is usually considered the most environmentally friendly decking option since the majority of its content comes from recycled materials. Brands like Trex that use recycled plastic and wood are a greener choice than tropical hardwoods.
What Is the Negative of Composite Decking?
A potential downside of some composite decking is that it can contain traces of toxic chemicals like zinc chloride as a result of the manufacturing process. Always check the brand’s commitment to using safer materials.
Is Trex Really Environmentally Friendly?
Yes, Trex composite decking contains 95% recycled content, split between reclaimed wood fibers and recycled plastic film. This high recycled material content makes Trex one of the most eco-friendly composite deck brands.
Conclusion
Composite decking is generally considered an environmentally friendly decking option because it utilizes recycled wood fibers and recycled plastic in its manufacturing. This results in a smaller carbon footprint compared to traditional tropical hardwood decking. While no decking option is perfect, composite brands that prioritize recycled content are a greener choice for your outdoor space. When shopping for composite decking, look for high recycled material percentages to ensure the most eco-friendly option. Overall, composite decking can be a sustainable decking solution.
