2025 SUSTAINABILITY REPORT
INTRODUCTION
PRODUCTS
ENVIRONMENT
PEOPLE
LEADERSHIP
SUPPLEMENT
21
ONE COLOR SPRUCE
ONE COLOR BLACK
ONE COLOR
ENVIRONMENTAL COMPLIANCE Protecting the environment is fundamental to how we operate, and regulatory compliance is central to that commitment. Chemical Management
Clean Air Technologies
Environmental Compliance
2025
2023 2024
We use heat to meld wood and plastic materials, incorporating a minimal amount of chemical additives in our product mix. These chemicals are carefully controlled, maintaining levels well below the acceptable thresholds for both occupational safety and environmental health. We manage materials that contain potentially hazardous chemicals through licensed waste management third parties, ensuring responsible disposal and recycling. Our handling and storage practices comply with all permit requirements and internal safety standards, supporting safe, consistent and compliant chemical management.
To minimize impacts on air quality, we use EPA-approved control technologies that manage emissions such as particulates, volatile organic compounds (VOCs) and other pollutants generated by our manufacturing processes. Emissions at our production facilities remain in full compliance with state-issued air permits. At our Virginia and Nevada plants, we use dust- and particle- removal systems such as fabric filtration and wet scrubbers. We also operate state-of-the-art regenerative thermal oxidizers (RTOs) at our Virginia facilities, and in 2025 we expanded this capability to our Arkansas operations. This technology reduces VOCs by at least 95% and other air pollutants by 90%—all without using chemicals to treat the airstream.
Number of violations (waste, water, chemicals, air emissions) resulting in a fine
None
One None
We rigorously follow the requirements of our permits to safeguard air, water, soil and other natural resources. Our Environment, Health and Safety (EH&S) team continually reviews Trex operations to verify compliance, strengthen responsible practices and reduce environmental risk, helping us maintain the trust of our stakeholders. In 2025, Trex did not incur any violations or fines. LOGO USAGE
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