faq
Must a manufacturer publish its complete confidential formula?
Not necessarily. Agree public reporting and confidential supporting evidence with the programme operator and verifier. Confidentiality cannot justify withholding information needed for verification.
Not necessarily. Agree public reporting and confidential supporting evidence with the programme operator and verifier. Confidentiality cannot justify withholding information needed for verification.
Sources & further reading
- EPD development process ↗EPD International · Official guidance or standard · 2026-11-05
- EPD International — construction-product PCR and EN 15804 ↗EPD International · web · 2026-10-17
- Wood and wood-based products: c-PCR-006 version 2.0.0 ↗EPD International · Official guidance or standard · 2026-11-05
- LCA Calculation Rules, version 2.0 ↗ECO Platform · Official guidance or standard · 2026-11-05
- Green Plank — قطاعات WPC متخصصة ↗Green Plank · web · 2026-10-17 · الشركة المصنّعة / مصدر تجاري