In 2025, Owens Corning conducted an environmental assessment and disclosed corporate waste management data in accordance with recognized sustainability reporting standards.The company provided a breakdown of its waste by type (hazardous vs non-hazardous) and treatment method (recovery vs disposal), enabling greater transparency into its waste handling and environmental practices.
| Metric (tonnes) | 2025 | 2024 | 2023 | 2022-2019 |
|---|---|---|---|---|
Total Waste Generated | 978,392a | 997,864a | 1,047,826a | |
Total Waste Recovered | 552,655a | 545,376a | 554,698a | |
Total Hazardous Waste Generated | 6,260a | 6,290a | 7,262a | |
Non-Hazardous Waste Disposed | 421,821a | 448,575a | 488,572a |
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In 2025, Owens Corning generated a total of 978,392metric tonnes of waste.a
Of this amount, 56.49% of Owens Corning's total waste generated was recovered through methods such as recycling, reuse, or composting, while 43.51% was disposed of through landfilling, incineration, or combustion.a
In 2025, Owens Corning reported a total waste generation of 978,392 metric tonnes, of which 56.49% was recovered through recycling, reuse, or composting.This moderate level of recovery indicates that Owens Corning is taking steps toward improving its waste diversion practices, though there is still room to enhance recycling and recovery efforts.a
Since 2019, Owens Corning's total waste generation decreased by 9.46%, including a further 1.95% drop in 2025, highlighting a consistent and deliberate reduction in waste production over time.a
Over the same period, Owens Corning's waste recovery rate increased by 6.51%, including a 3.35% rise in 2025, indicating growing emphasis on circularity and improved operational practices for diverting waste from disposal.a
Overall, Owens Corning has made measurable progress in reducing its waste generation while strengthening recovery systems. This dual improvement indicates a mature and proactive approach to environmental performance.
In 2025, Owens Corning generated a total of 978,392 metric tonnes of waste.a
Of this amount, 0.64% of Owens Corning's total waste generated of was classified as hazardous waste, characterized by properties such as toxicity, flammability, corrosiveness, or reactivity that may pose risks to human health, ecosystems, or the environment.99.36% was identified as non-hazardous waste, generally considered less harmful and subject to lighter regulatory controls.a
Since 2019, Owens Corning's total waste generation decreased by 9.46%, with an additional 1.95% decline in 2025, suggesting a consistent and deliberate effort to minimize waste generation at the source.a
Over the same period, the share of hazardous waste remained relatively flat but increased by 1.5% in 2025, which may indicate a recent uptick in high-risk waste production, potentially linked to material sourcing or product mix.a
Overall, Owens Corning's waste and hazardousness trends are mixed or inconclusive. A more detailed review of its materials, industry standards, and operational changes would help clarify the net environmental impact of its waste strategy.a
In 2025, Owens Corning reported that 6,260 metric tonnes of its total waste output were classified as hazardous. This represents 0.64% of its overall waste generation.a
The company treated this hazardous waste using a combination of methods.Approximately 37.43% was managed through recovery methods, indicating a moderate integration of circular practices into its hazardous waste management. However, a significant share was still directed toward disposal, highlighting room for improvement in reducing the long-term impact of hazardous materials.a