2025 SUSTAINABILITY REPORT
INTRODUCTION
PRODUCTS
ENVIRONMENT
PEOPLE
LEADERSHIP
SUPPLEMENT
14
ONE COLOR SPRUCE
ONE COLOR BLACK
ONE COLOR
Leveraging Technology to Maximize Yield
Sustainability Certifications
Supply Chain
In 2025, we built on our sustainability credentials with:
An Environmental Product Declaration, which provides transparent, science-based information about the environmental impacts of a product or material throughout its lifecycle. It is based on a Life Cycle Assessment (LCA) and follows international standards. Certification by the Forest Stewardship Council, a global network representing environmental, social and economic perspectives, responsible for forest management balances. European Union Deforestation Regulation certification, which aims to ensure products traded and consumed in the EU and globally no longer contribute to deforestation and forest degradation. Initiation of a new LCA for which we expect to receive the findings in 2026.
We leverage advanced technologies across our operations to optimize production efficiency while maintaining exceptional product quality. For example, we use an advanced In-line Measuring System across all Trex decking production lines. This cutting-edge system continuously monitors dimensional stability in real time. The impact has been transformative: dimensional variations have significantly decreased, manufacturing waste has been reduced, yield has improved and product quality has reached new levels of consistency. This innovation allows us to shift resources from manual inspections to proactive quality audits, improving operational efficiency and strengthening our continuous improvement efforts. It has also opened the door to exploring many other in-line applications, paving the way for future advancements in our processes. In 2025, we piloted new In-line Visual Defect Detection technology in our decking production lines and redesigned the Trex® Enhance® profile. As a result, we have significantly improved our product quality and process performance as well as our productivity and yield. LOGO USAGE
For architects and designers focused on sustainable building outcomes, Trex products offer a practical way to advance green building objectives. The use of recycled and reclaimed materials supports projects pursuing Leadership in Energy and Environmental Design™ (LEED®) certification and meets International Code Council Evaluation Service (ICC-ES) validation requirements. Specifying Trex decking can contribute up to four points toward a project’s LEED® rating, helping design teams align performance, durability and sustainability goals. Our decking has been validated by ICC-ES as conforming to U.S. National Green Building Standards® for each category assessed. In 2025, we renewed our ICC-ES VAR (Verification of Attributes Report), which provides a thorough evaluation of our environmental claims—including independent verification of our compliance with recognized green codes, standards and rating systems.
Trex aims to maintain a high-quality, resilient supply chain comprising third parties that comply with all applicable environmental, labor and human rights legislation. Our Vendor and Customer Code of Conduct and Ethics (Code) outlines our expectations for suppliers and customers. All suppliers and distributors must comply with these standards. We conduct risk assessments to determine the likelihood of vendors having difficulty in complying with our environmental, social or quality standards. In cases where we assess there to be significant risks, we require new vendors to complete a virtual self-assessment of compliance with our Code. Self-assessments may be followed by operating facility tours and on-site audits. Trex sources most of its raw materials from suppliers located in the U.S. and Canada. We purchase specific finished goods and components for Trex products from overseas vendors when necessary. When sourcing from outside North America, we contract with a third-party specialist firm to audit these companies, identify any code compliance issues and ensure problems are remediated before we onboard the supplier.
“My role at Trex encompasses managing direct supplier relationships, developing and distributing supplier performance reports and expanding our store-level recycling drop-off network. Through strengthened supplier partnerships, we have successfully scaled recycled plastic film collection from distribution centers to individual store locations. This expansion has enabled broader collaboration and education across store teams and partners, increasing participation in Trex’s recycling programs and diverting additional plastic waste from landfills in support of our sustainability initiatives.”
Raw Material Sourcing 1 (%)
Vendors in the U.S. and Canada
73%
26%
Overseas vendors
Hayley Green Senior Material Accounts Service Representative, Trex Company, Inc.
1
These percentages are by monetary value.
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